Zero-g Robotics on an Air Hockey TablePosted 28 May 2004 at 19:13 UTC by steve 
Wei-Min Shen and other
researchers from the USC Polymorphic Robotics Lab have been
looking for a way to simulate zero-g robotics so they can develop
autonomous robots that can assemble orbiting solar power stations and do
other useful work in space. Their solution? Small robots called "pucks"
that hover on a conventional air-hockey table. A new Nature article
summarizes their work. The USC PRL website offers video of the puck
robots at work including pucks assembling
scale girders (MPEG), docking with each
other (MPEG), and autonomously
navigating (MPEG).
That air hockey table idea is a prime example of human ingenuity. Think
about it. If you wanted a really cheap laboratory for doing zero-g
research with robots, what would you have come up with?
That's a hell of a lot cheaper than putting a military aircraft into a
freefall to simulate zero-g.
--roschler
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