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Entropy: A little understood concept in physics [video]

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Re: Entropy: A little understood concept in physics [video]

#2
I hate Veritasium's clickbait, and I think most of his videos are very poor, but this one is the exception. It's very well put together. The first ten minutes of the video is exactly how I introduce entropy to people.

Of course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not). The video would have been so much better without that two seconds of footage...

Re: Entropy: A little understood concept in physics [video]

#3
In my opinion the most misunderstood concept from physics is probably any exponential relationship. I realize we could view entropy to be one of those if we flip the relationship around and equate for microstates making my statement the superset. But generally speaking, Ive seen both lay people and experts struggle to reason about them, especially with complex numbers.

Re: Entropy: A little understood concept in physics [video]

#4
post #2

I hate Veritasium's clickbait, and I think most of his videos are very poor, but this one is the exception. It's very well put together. The first ten minutes of the video is exactly how I introduce entropy to people. Of course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not). The video would have been so much better without that two seconds of footage...

> course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not)

To be clear, he does have a PhD but it is in physics education research, not physics.

Re: Entropy: A little understood concept in physics [video]

#5
post #2

I hate Veritasium's clickbait, and I think most of his videos are very poor, but this one is the exception. It's very well put together. The first ten minutes of the video is exactly how I introduce entropy to people. Of course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not). The video would have been so much better without that two seconds of footage...

[deleted]

Re: Entropy: A little understood concept in physics [video]

#7
That's an excellent overall summary as he covers almost every aspect of the subject albeit in brief. It would be good if he produced a second video dealing with the low entropy of incoming energy from the sun and the higher entropy of radiated energy from earth and relate that to global warming.

In all the debate over global warming little is talked about why say CO2 and other greenhouse gasses increase the earth's temperature and how they shift the wavelength of the radiated energy from earth. In other words we need to explain in simple terms why the incoming and outgoing energy can remain the same yet the earth's temperature has increased.

Re: Entropy: A little understood concept in physics [video]

#8
post #2

I hate Veritasium's clickbait, and I think most of his videos are very poor, but this one is the exception. It's very well put together. The first ten minutes of the video is exactly how I introduce entropy to people. Of course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not). The video would have been so much better without that two seconds of footage...

"I think most of his videos are very poor,"

Why do you think so? (Most to me seem reasonable but one on speed of electricity stands out as badly done (he redid the video but it too could have been better).)

Re: Entropy: A little understood concept in physics [video]

#9

That's an excellent overall summary as he covers almost every aspect of the subject albeit in brief. It would be good if he produced a second video dealing with the low entropy of incoming energy from the sun and the higher entropy of radiated energy from earth and relate that to global warming. In all the debate over global warming little is talked about why say CO2 and other greenhouse gasses increase the earth's t…

Which debate over global warming are you referring to? There are debates that involve atmospheric chemists that discuss Earth darkening cause and effects.

https://en.m.wikipedia.org/wiki/Albedo

Re: Entropy: A little understood concept in physics [video]

#10
post #2

I hate Veritasium's clickbait, and I think most of his videos are very poor, but this one is the exception. It's very well put together. The first ten minutes of the video is exactly how I introduce entropy to people. Of course I can't give him a pass on how crass it was telling that women he has a PhD in physics (he does not). The video would have been so much better without that two seconds of footage...

"I think most of his videos are very poor," Why do you think so? (Most to me seem reasonable but one on speed of electricity stands out as badly done (he redid the video but it too could have been better).)

His video on electromagnetism is still my gold standard for Lorentz's Law. It came out while I was taking emag. I liked it so much I showed it to my professor, who didn't name drop Lorentz all semester. The class was making sure no one got a BSEE without knowing Maxwell's Equations, which does warrant a semester. I guess it was more of a failing of the physics curriculum.
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