Episode 296 - Astrobiology with Adam Frank

Probably Science

Andy Wood, Matt Kirshen

Jessecase, Comedy, News, Mattkirshen, Standup, Andywood, Science & Medicine, Science, Brookswheelan

4.8 • 707 Ratings

🗓️ 14 June 2018

⏱️ 87 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Astrophysicist and professor at University of Rochester Adam Frank (@AdamFrank4) joins Matt and Andy to talk about his new book Light of the Stars: Alien Worlds and the Fate of the Earth, a look at the history of scientific discoveries on planetary environments and the prospect of alien life, what the very high likelihood that extraterrestrial civilizations have existed in our universe can teach us about the fate of human life on Earth, how an inevitable growing pain of any civilization is climate change and what to do with that information to ensure that our civilization survives its cosmic adolescence.

Transcript

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0:00.0	set of questions for me.
0:02.2	These are more notes that I just made when it, through the book, just reading the book.
0:06.7	How many chucks could a woodchuck chuck, chuck?
0:08.5	Exactly.
0:09.1	Assuming a spherical woodchuck.
0:10.7	What is the equation for the upper bound of possible woodchucks?
0:15.1	That's right.
0:16.1	Well, you have the flux of woodchucks in it.
0:18.5	We'll write as F woodchuck and then minus. And is it a conservative, you know, can woodchucks in it, which will write is F. Woodchuck and then minus.
0:22.4	And is it a conservative, you know, can woodchucks, are we,
0:26.0	conservative or dissipative woodchuck process?
0:29.0	What is dissipative mean?
0:30.8	That you're losing, it's frictional.
0:32.6	Oh, okay.
0:33.0	You're losing woodchew, you're losing chucks when the wood chucks chucks chucks.
0:36.8	Right, and conservative means
0:38.3	it's conserving it's conserving right so the chucks have to go somewhere so the chucks in have to
0:42.7	equal the chucks out right it's a zero subchucks game it's a zero subchucks but however if it's a
0:47.1	dissipative wood chuck thing then yeah some of the woodchucks which is really it should be because
0:50.8	there are no actual conservative second law thermodynamics would demand that some amount of the chucks that the woodchuck was chucking would be lost.
0:58.3	Right.
0:58.8	Anyone who proposes a perpetual woodchuck machine.
	...

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