Tag: Kzin

A Microwave Beam to Keep the Frost Away

By Eric Wolff | June 28, 2010 1:26 am

tempwaveIn Larry Niven’s novel Ringworld, the alien Kzin attack humanity under the assumption that humans, having been at peace for years, had no weapons. But when the Kzinti attack, humanity uses communications and industrial lasers as formidable defenses that successfully ward off the invasion.

In a reversal of that, Raytheon has taken a weapon, its Active Denial System, and used it as a heat ray to keep crops warm against a frost, a device called Tempwave.

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CATEGORIZED UNDER: Biology
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