Sunday, April 22, 2007

Microwave Beaming: A Fast Sail to Mars

We're at such an early stage in solar sail development that it will not be surprising if laboratory results lead us in entirely new directions. Consider James Benford's work at the Jet Propulsion Laboratory, where he and brother Gregory experimented with an ultralight 7.5 g/m2 carbon sail to test out microwave beam concepts.

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