A Clock That Will Last Forever: Proposal to Build First Spac

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megman
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A Clock That Will Last Forever: Proposal to Build First Spac

Post by megman » 09-26-2012 02:00 AM

ScienceDaily (Sep. 24, 2012) — Imagine a clock that will keep perfect time forever, even after the heat-death of the universe. This is the "wow" factor behind a device known as a "space-time crystal," a four-dimensional crystal that has periodic structure in time as well as space. However, there are also practical and important scientific reasons for constructing a space-time crystal. With such a 4D crystal, scientists would have a new and more effective means by which to study how complex physical properties and behaviors emerge from the collective interactions of large numbers of individual particles, the so-called many-body problem of physics.

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