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It sounds like a concept straight out of science fiction. But one day a ‘spacetime cloak’ could make it possible to ‘hide’ history by editing out passages of time.
The device would speed up and slow down light to give the illusion that events have not happened.
A ‘cloaked’ individual could, for instance, travel from one place to another while appearing to vanish and rematerialise instantaneously in a new location.To an outside observer it would look as if the person had been ‘beamed’ across space by a Star Trek-style matter transporter.
Such a device would also make a mockery of CCTV, disproving the adage that the camera never lies.
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