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In this 2011 illustration provided by Cornell University, scientists demonstrate how they have have created a new invisibility technique that doesn’t just cloak an object — like in Harry Potter books and movies — but masks an entire event. It is a time masker that works by briefly bending the speed of light around an event. (Associated Press/Cornell University)
Photo by: Heather Deal
In this 2011 illustration provided by Cornell University, scientists demonstrate how they have have created a new invisibility technique that doesn’t just cloak an object — like in Harry Potter books and movies — but masks an entire event. It is a time masker that works by briefly bending the speed of light around an event. (Associated Press/Cornell University)

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