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Published online 28 May 2004 | Nature | doi:10.1038/news040524-9

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Puckish robots pull together

Air hockey helps joint techniques for work in space.

The frictionless conditions of space are being simulated by air-hockey tables, as a new generation of intelligent robots is trained to build space stations and solar arrays.

The construction workers of the future look like oversized hockey pucks and float on a cushion of air while they pick up girders and assemble them into frameworks.

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