Word: ultramarathoners
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Dates: during 2000-2009
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Hughes runs his experiments in the rugged, volcanic Jemez mountains that surround Los Alamos--which, as an ultramarathon runner, he knows intimately. He sets up a laser and fires a burst of light so precise it consists of a single photon. The photon flies at (what else?) the speed of light to a finely calibrated receiver 2 km away, which collects it like a catcher snagging a Randy Johnson fastball. By sending a series of photons polarized at different angles, Hughes can transmit information: each particle represents a single bit--a 1 or a 0, in computer language...