Archived threads in /sci/ - Science & Math - 1065. page

Here is the French stream https://www.youtube.com/watch?v=ayhKaZSI8r4

It's not gonna blow up who cares?

T-00:14

Broadcast now live

Do some redox chemistry using another reference metal. You should be able to tell if it's oxidizing or reducing based on which metal is plated onto/off of the penny

Clean them all well and measure their resistance. Bronze has a conductivity about twice that of copper and zinc.

>>8554450
Using an induced magnetic field you can make the high conductivity copper coins "jump" further away than the bronze coins. Coin op machines use many ways to check for legit coins, including conductivity.

>>8554238
>enabling triangulation

How was this done?

>Since the distance was known

Was it? I mean how did they get the hight?

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>>8554238
>scientific proof of aliens
The concept of 'proof' is alien to science, it only applies to axiom-based reasoning.
The mufon cms is full of such observations and the nature of these orbs is still unknown.

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>>8554238

No you don't You have an ASSUMPTION that is 'Alien'

Is is NOT Alien.
I can't even bother watching all of it. However, I'll give you a hint:

In the 1930- 40s the Germans were working (among many secret super-tech projects) on anti-gravity devices - as fighters/ bombers and / or other weapons.
In 1945 the scientists, researchers, notes, hardware, working & non-working models were 'secretly' (been de-classified now) taken by US and Russian army/ secret mission people (1 pretext was 'saving the worlds ART treasures stolen by Nazis'). The US version was called 'Operation Paperclip'.
Not all of this has been declassified, however, and the study & work on some of these projects continues to this day.

The US govt found - after the Russian spies stole plans for 'The Bomb' from us - That the only way to keep a secret was Dis-Information.

What better story that to blame these weird unexplainable appearances on space men from 'other worlds' - Aliens. Hollywood played a HUGE part by making all those movies about Aliens, prob got the Idea from 'War of the Worlds' ... and other early fiction writers?

Remember -- Jet fighters were pretty amazing - even incredible, in the 1940s when ALL airplanes were powered by piston & propeller! !!

>>8553981
The real genius is the brain behind that car company's marketing strategy.

>>8553981
>Who was the hack or fraud? Who was the misunderstood genius?
Tesla and Edison, respectively

>this kills the >>>/x/tard

>>8553981
The real question is... who is smart enough to make money on it these days?

>>8553497
literally piss easy just do the homework and be ready for tests

what is college algebra?

>>8553497
>Can somebody list all of the things I will study in Intro Stats, P L E A S E?

They have things for that already pre-made. I think they call em textboots or testbooks, somethint like that.

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>>8553399
rly mayekz me tinc

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http://motls.blogspot.ca/2016/11/verlindes-de-sitter-mond-is-highly.html

> Verlinde's de Sitter MOND is highly incomplete, to say the least

>The Dutch media brutally overhype a generic speculative idea

>I wouldn't okay this wrong piece of work as an undergraduate term paper but he got 6.5 millions of euros for this absolutely worthless pile of feces so many people who are impressed by the money but don't have an idea about science – which includes virtually all journalists – started to think that Verlinde is a top physicist. And he may have decided that he must justify the award by producing even greater piles of bogus hype.

>Someone else may find some crisp ideas that make the same or similar picture convincing – e.g. derive the volume-extensive entanglement entropy terms in de Sitter space from string theory etc. But without such an advance, I think that Erik Verlinde's preprint is a mediocre vague paper that everyone may ignore and it's too bad that the science media act differently. By the way, if you care, Frank Wilczek has attended a talk by Erik Verlinde and his words were harsher than mine.

>>8553581
I almost posted that Motls piece.
I'm waiting for his response now that the theory has been 'tested' - which appears to be a more recent claim.
Sadly, I don't have the knowledge to give an independent assessment.

>>8553084
Well, glue is science, but so is tape.

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>>8553084
>The only inputs this system needs is a little bit of water and nutrients for the algae.

Account for the efficiency of feeding it nutrients.

Algae are photosynthetic

Algae would probably die at 500C

Since you're doing so well heating water to 500C with the sun alone why do you need a wasteful algae process running alongside?

Reinjected CO2 becomes carbonic acid.

Plus, introduced CO2 I'm pretty sure is adsorbed. You can't force feed CO2 to anything AFAIK so there will be a limit, after which you are just venting CO2 to the atmosphere (and we will tax it)

Describe your operation for the removal and disposal of vast amounts of dead algae sludge

>>8553087

It's not glue, it's physics.

I was thinking some more about my generator and realised that not all algae will turn into biofuel, so there needs to be a third tank that takes the water with algae that didn't complete the chemical reaction in the pipe.

Ideally I would like to build the reactive parts of generator with titanium (pipe and turbine), though I don't know how cost effective that would be. I can imagine with the algae and water and constant heating there will be significant chance of corrosion and damage.

>>8553072
Hey fellow UBC bro

>>8553083
sup

>>8553093
You done finals? Year/program?

Have you checked the Sticky?

It gives books of all levels that advance upwards.


https://sites.google.com/site/scienceandmathguide/

http://4chan-science.wikia.com/wiki/Recommended_material

http://4chan-science.wikia.com/wiki/Obtaining_textbooks

>>8552538
Get a book. Turn off computer, open book. EZPZ

>>8552538
I would seriously recommend just dedicating a week to go through the arithmetic through pre-algebra topics on khan academy and see where you're lacking

Or do the "world of math" mission which starts at retarded level and quickly moves up, then just use the videos and practice exercises to brush up on stuff that you're a little lost on. It's a really efficient way to rapidly get through what you already know (easy stuff), find the stuff that confuses you (the middle stuff you want to know), and bypass the hard stuff until later.

Also, in conjunction with that, Everyday Math Demystified and Algebra Know-it-all by Stan Gibilisco (which you can probably find for free online somewhere) are both great self-teaching references for people who are motivated but math-illiterate. They contain a huge swath of information that is extremely useful to know which is taught rapidly and explained well.

>>8552535
>implying any working scientists gives a shit and would stop doing science to even think about that "philosophy"

>>8552537
>hur dur let's just not question our methods bro, lets just do what we want haha

>"Well, Jim, we have x amount of dollars, which departments should we be investing in?"

>"Well, Tom, let's invest into alchemy and astrology."

>"But, Jim, their methods aren't valid"

>"Let us not question our method, Tom. Let's just spend the money."

*Two years later, the USA Department of Science is bankrupt and whose lack of technological advancement leads to the Russian Annex of Texas and ultimately, the takeover of the USA.*
The point I made above is antithetical to the book in the OP but it serves to illustrate how RETARDED you are. Thanks!

>>8552535
I would like to, but I haven't read it yet. Reading Kuhn's "The Structure of Scientific Revolutions" atm

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>>8552218
>That tail

>in any discussion where there's some guy that denies science
>"yeah well, science is faith-based too, you just accept what your holy books say as well"

I'm so fucking mad, I actually want to hurt these people.

>>8552218
>search up
fgt pls

>>8552013
Looks like a vanilla spiral. Most ammonite spirals are not actually fibonnaci.

>>8552021
>ammonite

(Nautilus too, sage)

Jesus likes spirals

Try drawing a line from the intersection of d and c going straight down perpendicular to b. That should get you started.

if it is of any help, ( I promise I'll learn LaTex):

d = [ Area/c*sin(n) ] + [ c*cos(n)/2)
Area is the area of the trapezoid

d = [ P - c*( 1 + sin(n) + cos(n) ) ] /2

P is the perimeter of the trapezoid

>>8552008
Yes, take Calc I dummy.
It's a related rates problem.

>>8551952

If you want good posture you should probably consider working out to complement that thing, whatever it is.

t. not a med student

>>8551958
How does /sci/ keep their posture decent? I can't study without slouching over the book in a comfortable position, and it doesn't help that I spend a lot of time on the computer as well. How often do you work out and is it intensive?

>>8551966
Get a better chair

>>8551900
Yes, for me at least. If I study rigorously throughout the day and constantly think of concepts for a website or a new video game, my brain goes blank and it is impossible for me to think of anything until after a few minutes of relaxing.

>>8551900
Yeah, definitely a thing. =^)

you're just depressed and it makes things like actually doing work harder because you can't tolerate discomfort well and you keep drifting off to more pleasant things as a result