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Physicist Lawrence Krauss sums up his thoughts from a small conference he organized on the topic of gravity. “There appears to be energy of empty space that isn’t zero! This flies in the face of all conventional wisdom in theoretical particle physics. It is the most profound shift in thinking, perhaps the most profound puzzle, in the latter half of the 20th century.”
Jim Holt asks Freeman Dyson, Lawrence Krauss, Ed Witten and other in trying to figure out how the universe will end. Further reading: Time Without End by Freeman Dyson, Frank Tipler’s Omega Point theory, and The Physics of Extra-Terrestrial Civilizations by Michio Kaku.
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