This can also be accomplished with a camera on a stick. | Hacker News

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		tomelders on March 21, 2012 \| parent \| context \| favorite \| on: A camera that can see around corners This can also be accomplished with a camera on a stick.

guelo on March 21, 2012 [–]

Or a mirror.

thematt on March 21, 2012 | [–]

Those might even be better, since this appears to need a wall near the corner for the lasers to bounce off in order to function correctly.

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