"A Pill with Brains", Fast Company Magazine
Lucas Conley, Fast Company, July, 2004. Issue 84.
"Back in 1998, aboard the space shuttle Discovery, John Glenn swallowed a pill containing a temperature sensor and a radio transmitter to relay his vital signs to mission control. The problem: That pill was nearly an inch long - and, at $75,000, a bit too pricey to be flushed after use..."
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