The Pit and the Pendulum (1961) is a horror mystery film directed by Roger Corman and written by Richard Matheson. Set in the sixteenth century, the film follows Francis Barnard, a young Englishman ...
This "magnetic pendulum" uses a motor to set it into motion at a specific speed and angle. Magnets within the pendulum's end and the floor repel one another as the pendulum swings, creating a complex ...
Interesting Engineering on MSN
Video: Engineer turns swinging pendulum into a tiny battery that powers LEDs
Engineer Tom Stanton, who also runs a YouTube channel with the same name, has ...
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