Test your knowledge.
The correct answer will give you a green light.
1) How long will our solar system probably exist from its birth until its end ?
2) How long will galaxies probably exist ?
3) When will all matter approximately degenerate ?
4) When could Human Civilization approximately reach Type 3 ?
There are many wonderful American and British authors.
Most of the books I have read in German language. See my German literature page.
Steven Hawking, Ray Kurzweil, John Barrow, HansMoravec, Carl Sagan, Frank J. Tipler, Paul Davies, John Gribbin, David Rifkin, Banesh Hoffmann, Steven Weinberg, Jack Cohen, Jan Stewart, Rodney Brooks, Michio Kaku etc.
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