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"In contrast to the swift-traveling vibrations in electrical and magnetic fields that we call light, the sounds of the universe are carried by vibrations in spacetime called gravitational waves."
"However, within a few years we should know whether we can believe that we live in a universe that is completely self-contained and without beginning or end."
"I feel apologetic when I say it. And people who have reviewed the book take it as a metaphor. But it's factually the case. We couldn't build quantum computers unless the universe were quantum and computing."
"The new universe will disconnect from our own and continue on its merry way. From our point of view, the child universe will look like a microscopic black hole that emits a bit of Hawking radiation and then vanishes."
"Diamond estimates that, at any given time, our galaxy has 1 to 2 civilization with radio technology. They are likely to be so far apart that by the time Planet A's message reaches Planet B, both civilizations have imploded."
simpy
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