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zakruti.com » Knowledge, science, education » TED-Ed
What is entropy? - Jeff Phillips

What is entropy? - Jeff Phillips

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Rating: 4.0; Vote: 1
Theres a concept thats crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. Its entropy, and its notoriously difficult to wrap our heads around. Jeff Phillips gives a crash course on entropy. Lesson by Jeff Phillips
Date: 2020-08-22

Comments and reviews: 9


This theory came out in 1873.
Tire deflates because of atmospheric pressure, ice melts because avg temprature of earth is 23 C (IT WONT IN ANTARCTICA OR NORTH POLE OF MARS.
CREAM SPREADS BECAUSE CO2 ESCAPES( DUMBEST THEORY EVER)
And don't get we started on probability.

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Entropy can be defined as degree of randomness of a partical for example solid ice parties are compactly packed so they have less entropy or you can say they have less degree of randomness. Bro you explained up to quantum level of entropy and every one will get confused.
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Energy can neither be created nor be destroyed
Entropy can only be created but cannot be destroyed
Also thermodynamics proves that travelling back in time is not possible but there is no prove that shows travelling to future is impossible
Strange r8

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So its the difference between the finite and the infinite? nothing last. so this kinda explains that right. The more energy spent on a given state the faster you head towards entropy. Although this only applies to matter I feel. the mind Im not to sure.
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It would be simple to say that fewer macroscopic icecubes would have more chance to come to their original distribution after shaking as compared to the billions of microscopic atoms in a glass full of water.
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I specifically came here to understand Entropy since some speculate that it's going to be main concept in Tenet, Turns out its explained clearly here ( I rewinded and play it a few times though )
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EXCEPT. except that even IF the probability, P, is low, say P =0. 0000001 the improblemable MUST. MUST happen!
So why don't we ever see it happening?

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So if the chances of a hot object getting hotter are very low, then that means that it has happened in human history, with a spectator?
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In the beginning, I answered the room temperature water. Hmm. brb I'm gonna get an electrical engineering degree real quick.
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