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We asked a couple of 5th graders, Lucas and Miranda, to tell us everything they know about Einstein. They got the basics pretty much right. It probably helps that their dad is a physicist. Do you know more about Einstein than they do?
If you're a fan of science fiction, you may have already heard of wormholes: passageways through space-time that are essentially shortcuts between distant points in the universe. What you may not have heard, though, is that wormholes are a solution to Einstein's equations of general relativity.
Kip Thorne, Feynman Professor of Theoretical Physics, Emeritus, at Caltech, explains how our universe may be like a membrane embedded within hyperspace, an idea physicists refer to as a brane living in the bulk.
One technology you probably use everyday that wouldn't work if it wasn't for Einstein's theories is GPS, or the global positioning system.
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