Harry Potter's Invisibility Cloak: Mirage Effect Created in Lab

It's hard to write about the experiment done at the University of Texas at Dallas without invoking Harry Potter and his invisibility cloak — but after you look at the video above, you'll probably agree it's 1) mesmerizing and 2) more realistic than the movie. It's not a special effect. It's an experiment in photothermal deflection ("the mirage effect" to physicists), and it was done with nanotechnology. If you're not into nanotechnology, read on anyhow. This isn't that...Full Story
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