'Spacetime cloak' can make time travel possible: "A 'spacetime cloak' may be straight out of science fiction, but some day it might permit time travel or change history.
A 'cloaked' individual could, for instance, travel from one place to another while appearing to vanish and appear instantaneously in a new location.
The device would speed up and slow down light to give the illusion that events have just not happened, according to the Journal of Optics.
For instance, a scientifically-savvy thief with access to technology could open a safe, empty its contents, and escape right under the watchful eye of a surveillance camera, reports the Daily Mail.
The video footage would show that the safe door was closed all the time. Scientists at Imperial College London have proved it could work in theory by adapting standard fibreoptic technology."
Friday, November 19, 2010
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