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If we’re living inside a hologram

November 23, 2010

According to some theorists, we might be living inside a hologram.

hologram disk, spinning

Probably not this hologram though.  I don’t think it has room for the awesome meatball sandwich I had for lunch today.

(It’s actually a toy; a steel disk with a bump in the center and a diffraction grating on the other side.  This is a close-up of it spinning on a tabletop.  I thought it was pretty so took a picture.)

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