At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...
The pendulum at the museum is attached to a 61-foot-long cable. It typically swings as the Earth rotates, knocking down pegs, until it suddenly stopped this month. The Houston Museum of Natural ...
The first Foucault’s pendulum I ever saw was at the Franklin Institute in Philadelphia, the city where I was born. The pendulum hung in a stairwell. Its wire was attached to the ceiling four stories ...
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