pw201 + universe   5

black holes - Why is information indestructible? - Physics Stack Exchange
Top answer has a nice model using coloured squares and cellular automata rules.
physics  black-holes  universe  entropy 
january 2018 by pw201
Putting Time In Perspective
Nice little timelines zooming out from the day to human history to evolutionary history to the history of the Universe.
time  physics  universe  evolution 
september 2013 by pw201
‘A Universe From Nothing,’ by Lawrence M. Krauss - NYTimes.com
David Albert, a professor of philosophy at Columbia who also has a physics PhD, points out that Krauss hasn't really explained why there's something rather than nothing by . Via Jerry Coyne.
theology  philosophy  religion  krauss  science  quantum  universe 
april 2012 by pw201
YouTube - Carl Sagan: A Universe Not Made For Us
"Excerpts from Carl Sagan's Pale Blue Dot: A Vision of the Human Future in Space. More specifically, from the chapter titled A Universe Not Made For Us. I edited together the audio from the audio-book, and added the video from Stephen Hawking's Into the Universe and Brian Cox's Wonders of the Solar System. The music is Jack's Theme from the Lost soundtrack."
cosmology  astronomy  sagan  science  evolution  universe  video  youtube  religion  creationism 
july 2010 by pw201
WHY DOES THE UNVIERSE LOOK THE WAY IT DOES: A Conversation With Sean Carroll
"Inflation does not provide a natural explanation for why the early universe looks like it does unless you can give me an answer for why inflation ever started in the first place. That is not a question we know the answer to right now. That is why we need to go back before inflation into before the Big Bang, into a different part of the universe to understand why inflation happened versus something else."
physics  cosmology  big-bang  universe  inflation  string-theory 
november 2009 by pw201

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