Ask a bored physicist anything

Do you believe it is possible to travel into the fifth dimension?

>>728493420
Why does it appear that time travels more slowly the closer you are to a large mass (blackhole)? By what process does mass cause gravity?

>>728494046
*time passes more slowly (corrected for clarity)

>>728493701
Nope, Given the length scale of every 4N+1 dimensional theory I don't think it will ever be possible to even probe the compact dimensions

>>728494046
The time dilation is due to special relativity, where in the most basic of senses space and time are altered to ensure that the speed of light isn't violated. As for mass causing gravity....well that's a really good question. We know that mass is created due to the higgs field, but there still isn't a solid theory of quantum gravity that can actually explain what the hell is going on. I could be wrong since I never really studied General Relativity and this is out of my research field

>>728493420
Do u accept all schools in your field or is there a sort of hierarchy? Where do U rank the theoretical shit like cosmology

>>728493420

Does quantum energy levels like you showed in your pic work for quarks?

>>728494327
Here's a pretty nice explanation of the difference between gravity and the higgs field

https://profmattstrassler.com/2012/10/15/why-the-higgs-and-gravity-are-unrelated/

>>728493420
What do you study?

>>728494607
memetic physics

>>728494451
I don't really consider there to be a true Hierarchy. I'm an experimental condensed matter physicist, but I really do appreciate the work being done from even the most theoretical mathematical physicist. Cosmology isn't really a theoretical field seeing as how we can actually observe and record the things going on.

>>728494557
Not really sure what you mean by this. The Lamb shift has to do with degenerate spin states of the hydrogen atom having different energies, when seemingly they shouldn't. I don't know much about quarks but I don't think they have degenerate energies of this nature

Never really understood something about the color of light. I believe it's determined by the frequency of the ray, but when light viewed as a particle, is it determined by the energy of the photon or..?

>>728494327
does violated mean changed from 300 million meters per second? Why is the speed of light a constant, and why can it not be increased or decreased?

And what causes light to begin traveling at this same speed, regardless of the star's speed?

>>728494607
How magnetic impurities in single electron transistors change the scattering of conduction electrons

>>728494702
what do you study??

>>728493420
Why is the sky blue?

>>728494901
This is actually a pretty interesting question, and still open for debate. So to start light doesn't always travel at the same speed; it's different for every medium that exists. So I can actually "freeze" a photon if I wanted using some lasers and such. What's interesting is that no one is sure if the photon actually has mass or not, so we don't know if the 300 million mps is the speed the photon actually travels at or not. This begs the question of which is more important, the absolute number, or the speed of a photon in a vacuum

>>728495037
not OP but please use Google to screen your questions first, in case it's something easy to answer or an epic joke

thanks for taking the time OP, quality thread so far

>>728495037
An effect called Rayleigh Scattering which causes the photons from the sun to hit the particles in our atmosphere and emit the blue wavelength you observe

>>728495103
>>728495037
wtf just google rayleigh scattering

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>>728495407

>>728493420
wide a 22 kill my cuzin? my ucle said it was just a toy

>>728495532
because while a much smaller round than other rifle calibers, the .22lr is still a real bullet powered by real propellant

is the centrifugal force real?

>>728494162
can you please follow up more on this OP? I looked it up but I found information about squaring prime numbers and I guess I'm missing the conceptual background to understand this

>>728495670
Nope, it's a fictitious force, just like Centripetal force

>>728493420
Oh hey I understand that diagram. Hooray spin states

>>728494855
Not OP, but also physics.

Yes. They're the same thing.

>>728495722
What you're going to actually want to look up is something like N=4 SCFT. To expand a little bit( it's not my field but i've attended a few talks on the stuff) all string theories generally involve extra dimensions that are at such small length scales they don't really interact with us in any way. If you want to do some research on your own, just start by looking up simpler cases like N=2 CFT before moving on to SCFT (which stands for super-conformal field theory)

>>728493420
Does dark energy exist or is it more likely that our current understanding of gravity is incomplete?

>>728495648
i thank you for a anser.

>>728494855
To elaborate a little more on this. The energy of the photon is directly related to the wavelength (and thus frequency) that you observe. This is generally known as plancks equation

When i look at airplanes in the sky, i get angry. It just doesnt seem right that a plane can fly. Do you ever get angry at physics

>>728494901
Not OP, but I feel like his answer isn't making much sense and I'm also physics.

Essentially, the speed of light comes out as a constant from Maxwell's equations of electromagnetism. Because the laws of physics are supposed to be the same for whatever frame of reference you're in, everybody should observe the speed of light to be constant regardless of the frame you're in.

Then, changing mass and space according to the speed one moved or the gravity one felt resolved this, and its stood by the test of thousands of direct experiments.

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>>728493420
how often does being a physicist make you cringe when you watch made-up fantasy technology in science fiction media? any specific examples would be nice.

>>728496134
>I can tell you with 100% certainty that our understanding of gravity is incomplete. But so far Dark energy is the best hypothesis we have for explaining the expansion coefficient of the universe

>>728495775
what about in a non inertial reference frame?

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>>728496032
alright sweet, thanks a lot
looks very technical even on Wikipedia, I'll check youtube to see if there's anything there from Khan academy etc

>>728496336
Yes sorry for the crappy explanation, I was trying to keep it pretty simple. I don't want to go into the quantization of the vector potential and explain all that now...lol

>>728496355
Eh, I don't really cringe that often. It's media and it's meant to be dumb and magical. Most people that get frustrated by these things are self-proclaimed science experts who just can't let anyone else have a good time

>>728496371
I just don't like it. It's like a deus ex machina type of explanation.

>>728496471
Honestly you're not going to be able to get into string theory without a pretty daunting mathematical background. There might be a couple good layman videos on youtube, but to get to the meat of it requires years of QFT and shit like differential geometry

>>728493420
Does Mass actually exist?

I mean weight is dependent on the planet you're on. So does Mass actually existence outside of a planetary surface where there is a value for "g" ?

>>728493420
it's not uncommon in the modern era that a new discovery will sometimes disprove or throw doubt upon something in the scientific community that has been historically been assumed to be true.

are there any "truths" in science that you believe may be changing in the near or later future?

>>728496606
I kind of agree, but that's just how a lot of physics is. We see something that we can't explain, and we try to modify and alter what we know to match it. Dark energy isn't just someone going "fuck it we don't know" it's just a way of saying that there is clearly some form of energy that we can't currently interact with that has to be leading to the expansion of the universe at a scale not currently explained. After a while you get to a point where if the math checks out you just kind of accept it until even better math shows up

>>728496717
Yup, mass is directly related to the energy contained in something, which is why we have to make a distinction between "rest mass" and accelerated mass. Rest mass is the mass you have when you're not moving, and since as you move you gain energy your mass actually goes up.

>>728496174
Thanks for the reply. What about polarization though?

>>728496842
I can't think of any that are considered to be absolute truths that will be toppled. But I'm sure plenty of theories will be debunked and changed as we advance. There are a few competing models that try to explain away dark matter, and no one is really sure which one is correct. Most people accept that dark matter is a thing, but a few brave cosmologists are willing to try to find a model saying otherwise.

How far are we from being able to control the weather?

>>728496984
Ah okay. So does that mean anything with an electric charge has mass?

>>728493420

Does time actually exist, or is it just a human construct to cope with a simple succession of events ?

>>728497338
Yup. If there were massless charged particles things like the proton and electron would become unstable, and we'd have found them by now or simply wouldn't exist.

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>>728493420
if you were confronted by a flat-earther IRL (let's assume you can't tell if this is a devil's advocate troll or someone who genuinely believes it) what would be the first thing you'd tell him or her to counter their claim?

>>728497305
about -140 years

What music do you listen to?

>>728497558
Depends on what you mean by "exist" I'd argue that simply because of the arrow of time in regards to entropy, and the fact that our constructed idea of time changes due to things like general and special relativity that "time" is real thing that exists in the universe. It's just as real as our definition for mass or energy or anything else that we try to describe

>>728497625
What about Neutrinos? Aren't they almost absent of mass but carry charge?

>>728493420
How much money do you make a year before taxes and how old are you?

bonus: what kind of company do you work for?

>>728497784
A mix of things like black-gaze and metal, as well as jazz

Who should the Browns draft this year?

Could you answer a mathematics question? On linear algebra?

>>728497802
But right there in your statement is the kicker. That "almost" means a hell of a lot to particle physicists.

Would you ever be interested in skydiving?

>>728497725
I'd immediately deem it necessary to waste my time by aspergeredly engaging in unfruitful discord because my insecurity of my own aptitude needs constant validation to the contrary.

>>728497725
coriolis force on hurricanes, then I'd say to read a classical mechanics textbook

>>728497725
If I could I would just give them a copy of Goldstein and tell them to read the chapter on central forces.

>>728493420
Hey OP and the other physics guy in here
What's your take on global warming (human contribution VS natural cycles, role of CO2 and greenhouse gasses). Might be outside your field to make overarching assessments on these things, but maybe you have ideas on underlying aspects (like how water/surface temperatures affect weather patterns and any trends etc)

>>728497992
Possibly, go for it

>>728497795

Oh ok. I meant is time an actual component of the universe or is it just the result of events happening one after another and thus something you can't really have an influence on (like time travel, reversing time, ...) ?

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fusion energy when

>>728493420
What do you daily as a physicist? Do you mostly sit around until someone thinks of a theiry or experiment idea?

Why won't the jews stop ruining America?

>>728498161
I'll admit that I can't really answer this that well. It's much more of a meta-physics question and I never really focused much on that stuff. If the math works I'm happy, and that's what I consider real...lol

>>728493420
Was it worth becoming a physicist?

>>728498208
I'm an experimental physicist, so I play with machines and try to make shit work by stick rubber bands and glue to million dollar machines and samples...lol.

What would happen if every atom in the universe was split open at once?

>>728498372
I mean I get paid enough to live and I enjoy what I do, so I'd say so.

>>728493420
Does time go by at a different rate on Mars than it does on Earth?

where'd you do undergrad?

>>728498412
The universe would cease to exist as we know it.

Is there a BRST anomaly in the standard model?

>>728493420
What does this image mean?

>>728498495
UWF

>>728498380
Neat

>>728498150
I guess specifically what I'm curious about is, given an arbitrary linear system, why is the concept of direction in space sort of contained / stored in the variables when considering the system as linear equations, but then is stored in the vectors when considering the same system as a linear combination of vectors?

I know its sort of a strange question, so I'll phrase it using a more concrete yet still general example. Consider a linear system of three equations in three variables, where each equation is of the form (a_i)x + (b_i)y + (c_i)z = d_i. For convenience, and so that we may get some nice geometric intuition, suppose also they represent three distinct planes in R^3 (so we have linear independence). In the context of the system representing planes in space, it seems to me that dimension/direction is sort of "stored" in the variables x, y and z. Now this same system of 3 equations in 3 unknowns can also be expressed as a linear combination of vectors: x<a_1, b_1, c_1> + y<a_2, b_2, c_2> + z<a_3, b_3, c_3>. Here direction of course is stored in the vectors themselves; the three variables that stored direction in the context of linear equations now simply scale the vectors.

and it gets even more bizarre when you consider that, considering the system as linear equations of planes in R^3, we can express each plane as a vector equation by dotting any vector parallel to it with the normal and setting it equal to zero!

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>>728493420
are you male or female?
(that's a joke question - you don't have to respond to this)

>>728498525
It's showing a correction to the energy levels of the Hydrogen atom. The Lamb shift shows that what we thought were degenerate energy levels actually have a small splitting that occurs when you take into account relativistic corrections

>>728498044
That is very true. And they do have a VERY tiny amount of Mass.

Thanks for you responses, I have some reading to do!

>>728493420
How high of a fall would it take to kill someone with 100% certainty?

>>728497020
An em-wave consists of a magnetic and an electric field, both of them stand are 90° different from each other and the direction of the wave
Some things only let these fields pass in a specific direction
You can think of coins you stick into a slot
Only one way goes, if you rotate the coin it cant fit into the slot, and if you put to slots behind each other the coin can only pass if the slots are aligned in the same direction
Sorry for bad English, don't know all of the specific vocabulary

>>728494327
https://en.wikipedia.org/wiki/Special_relativity
>it only applies in the special case where the curvature of spacetime due to gravity is negligible.
>"""Physicist""" doesn't know what special relativity is

>>728498412
>What would happen if every atom in the universe was split open at once?

You'd have a lot of energy release and smaller, daughter particles for atoms larger than iron, and you'd lose energy and have even smaller daughter particles for atoms smaller than iron.

>>728493420
Chance we're living in a computer simulation?

>>728498686
Where are you from?

>>728498867
Germany

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>>728493420
OK OP, you're on /b/, and this topic kinda proves you're the real deal and not a Star Trek LARPer.. why do you you come to 4chan? YLYL threads? like traps? loli threads? what's the socially deviant part of this physicist?

What am I thinking ???

>>728493420
Former physicist here. Are you like every other physicist I worked with where you only fall into one of two categories:

1) Aspergers 2.0

2) Never ending quest to tell people how fucking smart you are

So glad I left research 10 years ago,

>>728498773
Well I mean please note that I said I never really did GR as cosmology isn't my field. I did direct to a link discussing the problem and showing why gravity and mass aren't actually connected though.

>>728498654
Thank you very much

what's the minimum speed possible?

>>728499044
0

>>728498948
I'd like to say i'm not. I'm decently social and like drinking with my co-workers and shit, but I really don't try to prove how smart I am. I mean I do experimental physics because I know I'm not smart enough to do Theoretical Flavor physics, even though I think that shit is super cool

what would happen if it were possible to get something to be under 0 kelvin?

>>728498927
Eh, a bit of everything. I like the porn and I like to do shit like this.

zero point energy

>>728498925
ahh Hallo wie geht's?

Ich spreche eine klein deustch

Do you enjoy chemistry?

What is your take on gamma ray bursts? And the comparison of it to dick?

>>728499167
Temperature is a matter of particle speed, not just subjective sensation.

>>728499167
Ah now this is more of my style. So depending on how you want to look at it, we get things under 0 kelvin all the time. "negative" temperature is a very real thing, but you have to think about temperature in it's most "pure" definition. For example, if you look up the entire concept of lasing (ie population inversion) if you do the math assuming a boltzmann distribution you'll find that the temperature of your system is either -K or greater than infinity. Now you're probably asking about experimentally cooling something below 0, but that's really truly physically impossible, sadly.

>>728499304
Not really, but I appreciate it. Ask any physicist and they'll tell you that chemists are the absolute best at solving schrodingers equation for really shitty systems

>>728499143
>I mean I do experimental physics because I know I'm not smart enough to do Theoretical Flavor physics, even though I think that shit is super cool

that statement alone pretty much means you are legit and cool, thanks anon

>>728499167
It actually is possible
You can push single atoms with a laser in a way that they counter the movement of other atoms
So you have to groups of atoms, all perfectly controlled and the 2 groups separated by a door
Both would have a positive temperature for themselves but when you do it right and open the door the full system would go 0 kelvin
You could argue that one of the groups has something that could be called negative temperature

>>728499167
Here's a nice link talking more about the infinity temperature business.

https://www.mpg.de/research/negative-absolute-temperature

>>728498139
Go to /sci/ and ask them, or lurk /sci/ a bit until some idiot comes in and tries to argue with them about it. They typically drop a shitload of links to different, good resources on it.

But for a quick overview before I got to bed:
The warming, even in the past few decades, is significant. While there is a lot of uncertainty in paleoclimatology, literally every proxy points towards the same results with it.

Warm things emit long-wave radiation. The earth is warm, and emits a very large amount of long-wave radiation. We receive all of our energy as short-wave radiation by the sun, reflect a third of it, and what's left warms up the surface of the earth, which then re-emits the energy as long wave radiation, so the amount received and amount radiated is typically more or less equal. Greenhouse gases more or less work by reflecting this long-wave radiation back to the earth, while being nearly transparent to short-wave radiation. We can measure the ability of CO2 as a greenhouse gas by sitting in a lab and seeing how much infrared light it reflect (technically, absorbs and then immediately re-emits).

We have very accurate measurements of global CO2 concentration going back about a hundred years. We can see that its rising every year, and quickly. You may have heard that human activity is only 2-4% of the increase, but that's only true in a deceptive sense. The overall CO2 concentration cycles every year as plants in the northern hemisphere grow in the spring and summer and die in the fall and winter. However, they typically absorb as much CO2 as they release each year, and the cycle stays very consistent. But, a 2% increase to the total every year adds up very quickly, especially since CO2 concentrations have a long residence time.

>>728499867

Furthermore, by analyzing the isotopes of the CO2 present we can actually get a decent idea of what fraction of it came from burning fossil fuels, and get a better idea about the human contribution to it.

With pretty basic physics, and holding all else constant, we can estimate the additional warming it would produce. It is close to what we've observed. While there might be natural cycles at play, the human role as far as CO2-induced warning is dominant right now. Lots more to it, but I need to go the fuck to sleep.

I plan on going into chemistry (particularly medicinal chemistry) how much should I know about physics?

>>728499143
I used to have two acquaintances/sort of friends who were the most talented math/physics folk I have ever met who would have been great theoretical physicists, which is a rare breed.

But Jeff and Clint, while being extremely gifted in the field, had no interest to really pursue it....I used to be jealous of their ability and mad at them for not using their gift......but who says you have to do something just because you are good at it

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WHAT'S THE FUCKING RECIPE TO McDONALD'S SZECHUAN SAUCE???

>>728499944
You'll learn what you need to know from your course work and research experience. Depending on what you do in medical chemistry you'll wind up doing some Physical chemistry which is like "baby" quantum mechanics and it's applications to a chemical setting.

>>728499772
>>728499448

are you guys referring to the same thing about lasing?

>>728499944
NOT OP, but you will have to take 1 or 2 Physical Chemistry courses which is hardcore math and physics (differential equations, maybe PDE's)

>>728499963
That was honestly one of the biggest things that changed my perspective on life. I always though that just because I'm "talented" enough to do physics I had to, and I had to be the best. At some point it finally clicked that that's just stupid and I should be able to do what makes me happy. That's why I do experimental stuff and didn't try killing myself over learning theoretical particle.

>>728500273
Not to sound mean, but it's by no means "hardcore" math and physics. It is pretty tough if you're not motivated, but ODE and PDE are pretty straightforward courses. No point in trying to scare someone out of doing what they enjoy

>>728500159
Kinda sorta. The guy talking about a laser trap is more referring to an optical lattice, where the system as a whole can be described by having negative energy, and this is talked about in that link I gave. I'm just saying that in general literally every laser involves a negative temperature of sorts in order to function

>>728499867
>>728499928

thanks a lot, that's very interesting

>>728500454
I'm not trying to scare someone, I'm being honest.

A set of infinite set of coupled PDE's is very fucking difficult, and it's pretty arrogant and narcissistic for you to pretend like it's not

God, it's faggots like you which motivated me to choose to leave research....so many "<insert X graduate level mathematics> is super easy if you are motivated"

Meanwhile, they have no problem begging for coauthor because they walked in a room a year ago when someone was doing part of their experiment; kill yourself faggot

>>728498571
Sorry for the late reply, but this is a question I'd have to think about for a bit in order to try and figure out. I'm super shitty when it comes to just about any theoretical stuff, and my linear algebra skills are all just for applied QM shit. If you throw this up on Sci, someone might be able to help since the board is slower

>>728496984
is this why you weigh less when you die?

>>728500738
Danke

>>728500722
Well you know as well as I do that there's a big difference between a standard PDE course and solving non linear coupled PDE's. If he plans on going into medical chemistry he's not going to have to take graduate level theoretical PDE and you know that. At most he'll learn to solve Schrodingers equation in cartesian coordinates and move on from there. I'll admit that there's no way in hell I could solve an infinite set of coupled PDE's without a lot of time and a pretty good computer. I wasn't trying to sound narcissistic and sorry if I came off that way

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>>728500722
go to bed

>>728500939
No it's because you immediately empty your bowels

>>728499867
We have pretty accurate measures of the co2 concentration for thousands and thousands of years through analyzing Antarctic ice layers

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Is the Mendala effect bullshit or no?

>>728493420
which version of quantum mechanics do you subscribe too?

>>728501038
Never studied much psych, sorry

>>728500984
>not going to have to take graduate level theoretical PDE

If he plans on working in the field in any real capacity, he sure as shit will.

>>728501038
yes, you just misremember shit because A. you were 5, and B. because the culture surrounding an event tends to be bigger than the actual event, hence "Luke i am your father"

>>728501098
Since I'm totally experimental, I subscribe to the "fuck it whatever works" version...lol. I never really learned much other than the Copenhagen interpretation so I guess I'll stick to that

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>>728493420

Do you ever wonder what life would be like if you’d had enough oxygen at birth?

>>728501175
Not him, but you're wrong and come off as an abrasive faggot.

>>728501278
Can i make cummies in your bummy, slurp them out with my toungey and then spit it on my tummy?

>>728501175
Bud not even I took pure math graduate courses. And what do you mean in any real capacity? There are plenty of research in medical physics who aren't PhD's in math and chemistry. You can get a masters in medical chemistry and be a perfectly fine lab tech. Not everyone wants to win a nobel, some people just want to help others.

>>728501278
It's actually quite an interesting field if you ever have the time to look into it. Ill link an article which you may enjoy on the subject.

https://en.wikipedia.org/wiki/Quantum_suicide_and_immortality

>>728501419
Ahh yes, medical chemist only need to know how a single proton and electron behave in a system

how much do you write as an experimental physicist? I'm a physics major and I'm in a lab course right now, and i find the lab work interesting, and I've already written four 4000+ word papers this semester, two left

is this normal?

>>728501475
Shit, I'm drunk and misread. I had in my head a chemist developing medicine

medical chemist/physics in general doesn't need PDE's at all to my knowledge

>>728501514
Oh it definitely is interesting and I've read a little bit on the stuff, but I'm not really qualified to make any big statements on it, and at the end of the day I don't think it really matters that much...lol.

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>>728501217

>>728493420
Have you ever experienced the Pauli Effect?

>>728501475
Pure math courses for mathematicians fry brains
Mathematicians are weird man

>>728501682
Was meant for
>>728501470

>>728501682
confirmation bias?

>>728501003
that would not have left the scale tho? Nor any fluid

>>728501547
what and they all solve every coupled system by hand? If he wants to study it he'll learn what he needs and learn to use a computer like every other modern research on the planet. He's not going to need the mathematical rigor that a theoretical mathematician goes through on a daily basis. It's not like I go through sturm liouville theory every time I use separation of variables

>>728501858
See my other comment, im drunk and I misread and was wrong

>>728501624
It depends on your research really. If you're big into spectroscopy your papers might be hella short and just involve corrections to the X'th decimal place.

>>728498268

That's a good enough answer for me, thanks.

>>728501939
Ah, my bad. Well what are ya drinking? I've had a couple double IPA's myself...lol

I've heard a lot about things like the nth dimension and what dimensions under the 3rd would be like and something like the highest possible is the 11th dimension which is basically a box that contains the entire multiverse or some shit. Can you decipher all of that and tell me if it's all bullshit or not and what it is if it isn't bullshit

>>728502047
I've had 20 fireball today, and 7 shots of evan williams.

I'm dying of liver failure, heart failure, and kidney failure lol, but not fast enough

:)

>>728502060
It's super out of my field, but I don't think it's fair to just waive it off as bullshit. String theory is often poked fun at simply because we all know (string theorists included) that it's simply untestable at this time, which is why no one can really say anything about it. We'd need particle colliders the size of the damn solar system to reach the length scales required to probe for other dimensions

>>728493420
Need to revise physics for upcoming exams...

any tips? I have no motivation...

>>728502143
Join Islam my brother.

>>728502143
10/10 would succumb to alcoholism again. I've recently moved to a new city that has a really big brewery scene, which has been great for my tastes, but awful for my wallet and liver.

>>728502225
I mean I can't really help you get motivation. If you want to do well you'll find a way to study or motivate yourself. Just go over in class examples and try creating your own problems to solve. I don't know what class it's for so I can't get much more specific than that

>>728502324
I've always wondered how people get drunk or become alcoholics on beer (or specifically, beer less than around 7-8%)

>>728502288
Why would I want to be a mudslime you kid fucking degenerate

>>728501038
the Mandela effect definitely exists, but the whole alternate universe theory for why it happens is pretty much bullshit, although of course nobody can prove that

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>>728502288

>>728502448
Because beer is tasty. Really i think it's because it creeps much harder than straight liquor does. So people try to convince themselves that it's not that big a deal as taking a bunch of shots, and just keep doing it every day, which leads to alcoholism

>>728502288
Instead, join the persians and fucking die.

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Anyone in the thread:

What's doing research like?

I plan to do medical research, so maybe your experiences won't apply too much to mine, but what's something about doing research you would have liked to know going in?

>>728502689
Be prepared to fail. A lot. Like a fuckton. Like you spent 6 months building a sample only for it to be a total dud. It's slow and it can be frustrating, but you can't let failures get you down.

>>728502448
if you drink enough of anything percentage isn't a problem... although imagine how often you'd need to piss... but it is achievable, but its probably also a lot more expensive than buying less of something stronger

>>728502816
A good story relating to this comes from one of my previous advisors. He did a lot of research in thermal phase transitions for liquid crystals, and those experiments can take like 12 hours minimum and you have to just sit there and can't leave. At some point he fell asleep and woke up to his sample and setup on fire in the fume hood. All he did was put the fire out and go see a movie...lol. You just have to be able to take whatever happens.

>>728503087
>>728502816
Thank you for the advice.

>>728493420
Easy one: connection between the roots of the riemann zeta function and ionization energies.

what's it like watching action movies in which little punches and shit can make people fly across rooms and cars get hit and flip like 80 times and shit

>>728503484
Dunno, I feel like it relates to quantum chaos but I never really studied much of that stuff

>>728503678
It's fun. I'm not one to get all pissy when something physically impossible happens in media. It's meant to be fun and silly. If everything was based solely in reality movies would be really boring

>>728503821
My thought is that I don't want to watch whatever that is

>>728503911
why

Does gravity travel at the speed of light? If the sun suddenly winked out, it'd take 8 minutes for the light to disappear on earth. But would we still move as if in orbit for 8 minutes?

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thoughts on this

>>728503997
I second this question

>>728493420
what are they hiding at area 51 mane?

>>728503723
Sigh. I want my money back. Strongly numerically connected and nobody knows why.

>>728493420
is it possible to create miniature black hole

does god exist?

I've been thinking: what if we are atoms in a much larger universe? What if it all repeats infinitely small and infinitely big. See, what if every solar system is an atom. It's uncanny how much something so large resembles something so tiny. A sun is like a nucleus and the planets are like electrons, constantly orbiting it. I mean isn't it ridiculous how much they resemble each other, considering the massive size difference. There's so much more I could explain too, just let me know what you think so far.

What made you go into this field?

>>728493420
Can you calculate the velocity of a butterfly's flight when it is under gravity 3 times stronger than our own?

>>728503997
>>728504070
I know gravitational waves travel at the speed of light, so I guess yea, if the sun vanished we'd stick in orbit for a bit longer, though i'm sure it's a much more complicated problem than that. Like I've said before, I never studied GR and cosmology isn't my thing

>>728504222
>asks the most retarded question on a physicist thread

fuck off

>>728504223
Oh and I forgot to mention: it's also strange how it resembles it in terms of mass. A sun is gigantic compared to planets. It's mass is also much more. Just like how a nucleus contains almost all of the mass of an atom.

>>728504268
I read popsci quantum books in highschool and thought that shit was cool.

>>728504299
Sure? Sounds like a standard kinematics problem, just plug in 3g instead of g when you calculate any y velocity

we know newton was right

>>728504222
the fact that your question earned trips, is evidence that there isn't

>>728504223
>>728504409
Sorry bud but nah. You're first idea is based on a super outdated model of the atom, and while it's fun to think of things like this, if the math doesn't work it's probably not true

>>728494904
Do you work in spintronics? I'm an EE and i'm interested in the field.

>>728502689

you aren't gonna make a lot of money in research mate and its unlikely you'd discover anything great

>>728504524
Newton was right about most things and I'll say he was literally the greatest physicist who ever lived.

Where can I get a cute alien gf?

>>728504380
OP said "Ask a bored physicist anything" not
"Ask a bored physicist anything related to physics"

>>728504628
meh he's an overrated faggot stealing most of what Indians knew.. Einstein was the original G though

>>728504564
You close-minded fag.

How close are we to traveling throughout other parts of the multiverse?

why cant I double jump

>>728504658
I wish I knew bud, if you find out let me know
.>>728504566
Yea kinda, I study the kondo effect and in a sense it's applications to semiconductors. It's a neat field and probably the most applied field of QM there is, which is why i think it's fun.

>>728504782
Hey, you asked and I answered. If you can't take criticism it's not my fault. If you think you're right, write up a mathematical model explaining the relationship, present it at an open conference, and see if it gains traction. If it winds up being right than I agree with you

what would be the potential consequence of creating a miniature black hole on earth?

Which action is most closely associated with the early Mesopotamian civilizations?
(1) building floating gardens to grow corn
(2) establishing representative democracies
(3) developing a writing system using cuneiform
(4) constructing Hindu temples

>>728504934
Depending on what you mean, none really. Blackholes aren't that scary of objects, and a miniature black hole would wink out of existence pretty quickly

>>728505026
I'd probably go with answer 3

What is the point of learning about dimensions etc?
Is there any field that you think is useless/irrelevent to the general progress of humans?
Do you think we should stop our progress in physics/astronomy/etc and focus on fixing the planet in general (not just global warming)?
What temperature is dark matter if it doesnt interract with light (doesnt emit IR)?
If you were to choose any job outside of STEM studies what would you choose?

>>728504931
Will do. See ya when I shake everything up with my theory. I'll shout you out in my Nobel prize acceptance speech. Lmao it's 4 chan can't be too serious

>>728493420
what is the science behind a baseball pitcher's change up, it is thrown with same srm speed as a fastball, but the change up,is slower and drops why

>>728505037
what if we wanted to maintain it?

According to john titor, the cern in his timeline used miniature black holes to use their time machines.. wouldn't the black hole eventually get out of control and start sucking in everything?

>>728504782
for one thing the electrons weigh almost nothing, even when compared to the nucleus and they're much further away from the nucleus proportionally, the only similarity is that there are smaller things orbiting a bigger thing, and electrons don't even really 'orbit' they're all over the place

>>728498669
Not OP, But about 50 feet

>>728505129
I mean honestly I'd say the majority of physics is useless for the progress of humanity, but I don't think that's a reason not to do it. There's nothing wrong with pursuing knowledge for the sake of knowledge.
No I don't think we should stop progress in other scientific pursuits, but we should as a whole focus on trying to not fuck up the only planet we have atm.
I dunno about the temperature of dark matter, but you would have to go to a more fundamental definition about the total energy of whatever "dark atoms" compose it.
and if I had to pick another job that wasn't related to STEM at all, i'd probably go with being a musician. If I could make money playing music I'd do it

Look, I love the tumblr people. They're great people, I've employed thousands of tumblrinas, I have a great relationship with the tumblr people. I'm going to do great with the
tumblrinas, in fact a poll came out on Buzzfeed recently, I polled 25% with the tumblrinas; someone said if you get 25% of the tumblr vote, the election is over... but if I'm elected president, we are going to trigger the tumblrinas. We have to trigger the tumblrinas, or we won't have a country any more. We're going to trigger the tumblrinas , and it's going to be a great oppression... and the tumblrinas are going to pay for it


thoughts?

>>728504380
Okay buddy. I understand that you're just trying to get a chuckle out of your audience, and I can respect that. Chicks dig a guy that can make 'em laugh (I would know.). But with this video you've crossed the line. Make no mistake, I have nothing but respect for you,Ian boy. I've been subscribed to your channel since 2011'. I've studied your videos. I've studied your tastes. I've studied your life. I know everything about you. Which is why you shouldn't brush me off when I say to knock it off. Roblox is my favorite game. I was there from the start. I know everyone, and I could probably recreate every game from scratch; not to say that it would be anywhere near as good as the original masterpieces. Nothing could ever be. Roblox runs in my blood, Ian. So when I see some knuckleheaded punk like yourself dissin' my game, I get a little riled up. And when you call me a "manchild" for having good taste? Oh boy. Game. Over. I know you, Ian. Everything. Don't think I can't exact due punishment on you. I could. But I'm not a violent man. Quite the contrary; those who know me see me as intellectual type, and they're right. But my high IQ doesn't prevent me from destroying those who stand in my way. I like you, Ian. Always have. You simply made a little mistake. You crossed the line. You know what? I let it slide this time. I'll let you off with a warning. You can keep on opening boxes, and I'll go on playing the revolutionary game Roblox. Here's the catch, though. You have to release a public apology, a retraction of the UNTRUE, HARMFUL statements in this video. Don't think I won't know if you don't. I will. Don't think you won't feel the pain if you don't do what I say, Ian

>>728505293
I'd say if we have the power to sustain a blackhole we'd have the power to keep it under control. Just like everything else, they're physical objects bound by certain rules. For example, if our sun was suddenly turned into a blackhole of the same mass, it's not like we would just fall in. the earth would just keep rotating as it does now.

>>728505363
Exactly. The sun contains 99.86% of all the mass in the solar system. Therefore the planets are basically nothing. Just like a nucleus and electrons. If we're a different type of atom though, to a much larger universe, maybe the atoms we're a part of behave a bit differently than the ones we observe. Maybe the orbit more constantly than jumping around.

Could something like a portal gun from the Portal games ever exist in our universe as far as we know and if so, roughly what would the physics of it be?

>>728505261
Id imagine it has to do with the initial spin of the ball. If you applied backspin or something it would have an impact on further motion. I honestly haven't thought about something like that but i'm sure there's a straightforward answer on the internet somewhere if you're curious

>>728505543
excuse me, who are you quoting?

>>728505756
Maybe at some point something like that could exist? That again falls under GR and cosmology and I've said it a few times but I know jack crap about it

>>728505543
this sounds funny in a russian accent

What's your favorite flavor of soda

>>728505674
still though, the planets don't really act in the same way electrons do, also how would they build into any cohesive whole?
I mean atoms bond together through electrostatic forces, but solar systems can't bond together, they can converge, also where do nebulae and things come into this?

What's the difference between a high school level physics class and any college level physics class whatsoever

>>728506023
Tough question. I really like cheerwine, but sometimes it's a bit too sweet.

>>728505616
>For example, if our sun was suddenly turned into a blackhole of the same mass, it's not like we would just fall in. the earth would just keep rotating as it does now.

wut? are you sure? A black hole of similar size of sun would still have an extremely large gravity.. black holes are by definition, very dense astral bodies which causes them to have an extremely strong gravity, the earth would be sucked right in given how close we are to Sun.

I don't believe for a second that Earth would have the same relation with black hole as it does with our sun.

>>728506110
Mathematical rigor and physical detail. In a highschool physics class you'll be told that Newtons laws work and they're fundamental, but in a junior mechanics course youl'll learn lagrangian and hamiltonian formalism and that there's a lot more to the picture than you once thought.

>>728506188
Same mass = same pull

What are current theories in physics regarding wormholes? is it possible to expand them/ make them large enough to pass space ships or even people through them?

Are there any organisations or countries researching this specifically?

>>728506188
It's important that I mentioned mass. If the sun became a blackhole with the same mass as it has now, it would be like 5km across and exert the same gravitational force as our sun does now. I'd recommend looking it up as it's a pretty popular question and there are a lot of great in detail explanations

>>728506329
black hole of the same size would have a greater mass though, no?

>>728506336
It would take too much energy to keep a wormhole open long enough to pass a person though it. A least so far that's what people have come up with.

>>728506500
if it was the same radius yup, but I did say same mass as the sun. If a blackhole with the same radius as the sun was to replace our sun, we'd be fucked.

When you look out into the sky, or across a field, what do you think, do you think of the particles interacting. Or everything relative to the mass of the earth. Or better yet the over all scale of how amazing existence is.

>>728506336
I can't really answer this, as I don't know shit about cosmology

>>728506500
Where would it gain that mass? It wouldn't pull earth in until it sucked something in and gained more mass. We'd be good until a stray asteroid dropped by.

You're a bored physicist? Cool! What is your outlook on the multiple worlds theory?

>>728506634
Yea every once in a while I have those holy shit moments, but I don't let myself get overwhelmed by the fact that our existence is pretty damn meaningless

>>728506730
As far as I know it's as semi-valid theory, though not one I really follow. I stick to the copenhagen interpertation, since it straight up ignores all the hard questions and just sticks to math. I leave that stuff up to the metaphysicists and phenomenologists

>>728506105
Well, I was thinking, maybe because of scale and some other things, their behavior is different than the ones that compose our universe. What if the laws that govern it are slightly different? Because of that maybe the electrons behave differently, they orbit more smoothly and the larger universe has slightly or majorly different laws of physics. Maybe what we observe as gravity on our scale is the cohesive bond for atoms of a larger universe. Maybe galaxies or solar systems or whatever it may be when they converge is something akin to nuclear fusion in our universe.

>>728506919
See but this wouldn't be a subtle or slight difference. Electrons don't really even "orbit" anything. It's all based on probability densities and field theories.

>>728506492
yeah that's why I asked, it is said that for a black hole to have the same mass as earth, it'd have to be of 10 cm diametre... all the mass of earth compressed into a tiny ball.

miniature blackholes the size of a tennis ball would still exert a lot of force...

I've heard of a policeman who said that if you go 120 mph, which is 193 km/h, and hit a rock on the road, you would die. I've even heard that if you're going 40 mph or 64 km/h and hit a tree or telephone pole, you will die. Could you explain these ideas please? Or disprove them if they're wrong?

>>728507233
Yea if that's what you consider miniature sure there would be problems. I generally take miniature to be along a length scale of a planck length...lol

I've been told that electricity effectively moves at the speed of light and that electricity is just the movement of electrons, but electrons have mass don't they (albeit very, very little mass)? How can they move at the speed of light if they have mass as that would take infinite energy wouldn't it?

>>728507051
It doesn't necessarily have to be, we're talking about something massively crazy, after all. That's what I mean, it could be a major change. Our atoms could behave slightly similar but radically different at the same time. Maybe the electrons of the larger universe orbit the nucleus in a much more predictable way. Of course, I don't have it totally fleshed out, but it is interesting.

>>728506579
exactly so miniature blackholes would still exert a lot of force to not be dangerous

>>728507404
This is actually a pretty neat topic I recommend reading more on. The movement of electricity (ie current) isn't actually the electrons moving at that speed. Look into the electron drift velocity, which is actually pretty damn slow. A good analogy is that of a hose filled with water; When you turn on the water the water shoots out pretty fast, but each water molecule is bumping into the other guys at a pretty slow rate.

>>728502288
kys you filthy subhuman shitskin. But knowing you're a mudslime you will probably hurt others around you in doing it, so make sure you do it in your mud hut in the desert.

>>728493420
How close are we to quantum entanglement on pussy? Or are fleshlights the epitome of masturbatory aids?

what is your specialty OP? what exciting new thing is happening in your field that you'd want to share?

Have the found a way to solve Einstein's Unified field theory? What happens after we solve it?

>>728493420
Which school?

I have a BA in physics from MT, what about you?

>>728507712
I'm an experimental condensed matter physicist who focuses on the kondo effect for single electron transistors. It's a pretty tame field as far as physics goes, and to me something exciting is along the lines of "oh huh, that electron moved in a way we didn't expect for this metal"

>>728507788
Got my BS from UWF

>>728507779
Dunno, I don't do GR stuff

>>728493420

What is the terminal velocity of the average fork?

>>728507904
are there lot of sexy chicks in UWF?

>>728507983
Tuning fork or dining fork?

>>728508000
noap, it's a small school in the panhandle of florida. Not much going on there

>>728508048

Dining.

>>728507845
Are you familiar with any work by a man named Jim Taylor?

>>728501831
Not OP. I know the experiment you got that idea from. It's never had its results reproduced. Other tests by different scientists showed the same weight.

>>728508087
DAMN i thought florida was full of sun tanned chicks running around in bikinis

>>728508105
Well i'm going to say the average fork has a mass of .05kg, and a cross sectional area of around .08 m^2 if it's falling lengthwise, i estimated it to be a streamlined body so a drag coefficent of around .1, and I just guessed it had a density twice that of water, and got around 6.5 m/s

>>728493420

Y is the earth round and how do we know gravity is not just a theorey

>>728508735
The earth is round due to symmetries in central potentials, and we know gravity at least exists thanks to LIGO detecting gravity waves

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Any interest in chemistry? If so at what point did you decide physics>chemistry?

so when are you admitting that the earth is flat?

what's your taste in music?

>>728509257
I'm not that interested in Chemistry, and i picked physics over chemistry just because intro chemistry was awful.I wanted to learn about quantum shit and space and lasers, not chemical compounds. I know understand that there's a shitton more to chemistry than most people know about, but I just don't find it all that fun.

>>728509446
I listen to super shitty hipster black-gaze and doom metal, as well as jazz and some indie stuff.

do you enjoy vidjya gayming? if so what games do you enjoy?

>>728509705
I do indeed. Just beat Nier:Automata recently and thought it was fantastic. I play just about everything except Grand strategy and RTS stuff

>>728507301
Could you answer this one? Please?

>>728510337
Well there's a lot of different factors in play. If you're going 40mph and hit a pole head on yea it's possible you die. It all comes about due to conservation of momentum and how fast your momentum goes from you to the rock or tree. I'm not sure what he meant by hitting rock. If you're going really fucking fast and your car clips a rock it's possible you could lose control and over react, leading to an accident

How do hydrofoils on sailboats work?

>>728507845
finding a replacement to silicon?

>>728511335
The same way that wings work on an airplane. They create lift via a difference in pressure and help reduce drag as a whole

>>728511676
Follow up: why do you need specially designed foils, why can't a normal keel/ centreboard/ daggerboard act as a hydrofoil?

>>728511901
I'm not too sure about that. You'd probably be much better off asking an aeronautical engineer.