Setting forth "an array of mirrors on a tower" sounds like an admirably romantic and poetic enterprise.

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When combined with a suitable light source and projection optics, the array of mirrors can project an image.

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All that would be needed for a holo-conference would be an array of spinning mirrors and projection TVs set up around a table.

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Next week, they will order the spacecraft to unfold the telescope's 33-foot-long camera mast and test its array of 133 mirrors, then begin actual operations 23 days later.

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Qualcomm, when it's not busy filing lawsuits, has been working on its iMoD (short for Interferometric Modulator) technology, which uses an array of microscopic mirrors to stay highly visible in well-lit conditions.

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When a receiver will generate about 25kW of energy while costing less to make through cheaper mirrors and structures, a fully developed solar array could be an affordable replacement for coal power that delivers greater independence -- picture remote towns that need a fresh water supply.

ENGADGET