michael from the klingon-target-practice dept.
Soft writes "Another Energizer Bunny has finally given out: Pioneer 10's generators have decayed to the point that DSN can no longer detect the probe's signals. It was the first spacecraft to penetrate the asteroid belt (1972) and fly by Jupiter (1973). So long and thanks for all the pic's..."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.