Now BrightSource (and others) use huge arrays of mirrors to direct sunlight to a single spot high on a tower.
FORBES: Solar Thermal Hopefuls Make Their Case, Battle For Financing
For half the price the radios fed tower data to a central point with a direct connection to a telco's fiber.
FORBES: Entrepreneurs
The new facility near Tongchang is far more advanced, with a 100-foot-tall launch tower and a below-ground tunnel to direct rocket exhaust.
WSJ: U.S. Warns North Korea Over Rocket Launch
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