How Entropy Powers The Earth (Big Picture Ep. 4/5)
October 21, 2016
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3:15Now PlayingHow Entropy Powers The Earth (Big Picture Ep. 4/5)
YouTube Description
as posted by the channelThis video is about how we don't just need energy to power our lives, we need *low entropy* energy! Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! His book can be found here
Playlist of the full video series
Link to Patreon supporters here
This video is about how we don't just need energy to power our lives, we need *low entropy* energy! This is also known as "free energy", and one way of thinking about entropy is as the lack of free energy. The sun provides us with useful, low entropy, energy in the form of photons of visible light, which are then absorbed and converted into plants, sugar, complex molecules, etc, before being radiated back into space as heat, which has much higher entropy.
Music for the series was especially composed by Nathaniel Schroeder,
REFERENCES & ADDITIONAL INFORMATION
Entropy Balance of Radiation of the Earth system
Heat balance of global warming/climate change
More on the Entropy Balance of the Earth System
The Entropy of a Photon Gas
Sean's blog
Another article by Sean about complexity and god
Sean Carroll: The Big Picture
(more great articles about entropy, etc on his blog )
Interactive Entropy explainer by Aatish Bhatia
MinutePhysics is on Google+
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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!
Created by Henry Reich
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