HOUSTON — The Houston Museum of Natural Science is most assuredly a gem, but it's far from hidden. Instead, we're talking about a feature hidden in plain sight: Foucault's Pendulum. Dropped right in ...
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 ...