BLACK HOLE

There are many popular myths concerning black holes , many of them perpetuated by Hollywood. Television and movies have portrayed the...

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Quantum time waits for no cosmos

THE INTRIGUING notion that time might run backwards when the Universe collapses has run into difficulties. Raymond Laflamme, of the Los ...

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Is time travel possible?

John and Mary Gribbin In one of the wildest developments in serious science for decades, researchers from California to Moscow have rece...

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Time travel back on the agenda

CLAIMS that time travel is impossible in principle have been shown to be in error by an Israeli researcher. Amos Ori, of the Technion-Is...

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Is time an illusion?

JUST because we perceive time flowing in one direction, does that mean there "really is" a difference between the past and futur...

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Time Machines

Paul J. Nahin American Institute of Physics p408 £?? Distributed in UK by OUP; ISBN 0883189356 John Gribbin TIME TRAVEL has become, if not...

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Hyperspace connections: Black holes, white holes, wormholes

John Gribbin When astronomer Carl Sagan decided to write a science fiction novel, he needed a fictional device that would allow his chara...

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The Einstein connection

It's one of the intriguing curiosities of the history of science that spacetime wormholes were actually investigated by mathematical ...

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Wormhole engineering

There is still one problem with wormholes for any hyperspace engineers to take careful account of. The simplest calculations suggest that...

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Why time travel is possible

John Gribbin Physicists have found the law of nature which prevents time travel paradoxes, and thereby permits time travel. It turns out t...

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TIME TRAVEL

Shaping the Futureby Neil Johnson The idea of travelling forward into the future or back into the past has always fascinated science ficti...

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