Word: beyond
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Dates: during 2000-2000
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...these features only because we have inherited these properties from a common ancestor that used one configuration among a million alternatives unknown to us but quite conceivable and workable? Indeed, would we, in our carbon-based parochialism, even recognize otherworldly forms of life--pulsating sheets of silica, perhaps--well beyond...
Captains Kirk and Picard stumbled into them all the time. Alice found one beyond the looking glass. The children in C.S. Lewis' Chronicles of Narnia entered theirs by way of a musty old wardrobe. Considering their usefulness as a plot device, it's hardly surprising that science fiction and fantasy literature are filled with alternate universes of one kind or another. What is surprising, though, is that mainstream physicists have stumbled onto their own alternate universes, hidden amid the complexities of science's most arcane equations...
Timothy Ferris is the author of The Whole Shebang: A State-of-the-Universe(s) Report and the PBS special Life Beyond Earth...
...second law means that any friction created by wheel and pump would turn into heat and noise; reconverting that into mechanical energy would take an external power source. Even if the machine were friction-free, the wheel couldn't grind grain. That would require energy beyond what it took to keep the wheel itself going. No good, says the first law, and Fludd's invention...
...harder it is to get yourself going faster still. As you near the speed of light, your weight heads for infinity, which makes it infinitely hard to go faster. So while we might reach 99% of light-speed, or even 99.99999%, the last little bit will forever lie just beyond our grasp...