It may turn out to be a joke, but the editors at the American Physical Society's Physical Review Letters liked the math well enough to publish the paper in the Feb. 27 edition.
It's only a matter of time, now, until you can actually power your computer by shining enough lights on it and working it hard enough to product a lot of heat.
Just don't freeze while you're doing it.
Now read this:
Carbon nanotubes could let mobile devices use humans for power, just like The Matrix
Why quantum computers will be inaccurate: There is more an one kind of nothingness
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