Sub-micro Tetris

By at 5:04 pm Friday, Nov 8

Teeny-tiny Tetris:
A real-life implementation of the evergreen arcade game Tetris was obtained by optically trapping 42 glass microspheres (1 μm diameter) in a 25 μm x 20 μm sized field under a microscope. Their positions are then steered with a computer.
The generation of multiple traps, as well as the computer-steering, is accomplished by the use of acousto-optic deflectors: devices that tune the deflection of a laser beam that have very fast response.
Link Discuss (Thanks, Higgins!)

Cory Doctorow

Upcoming appearances

* Feb 9, 2012, DeKalb, IL: Day of Doctorow, NIU
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