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questions concerning measurements, experiments, and activities that demonstrate physics and are safe to do at home, require at most one tool or ingredient not readily available, and can be interpreted or analyzed on one sheet of paper with accessible math.

2 votes

How can one explain the Kelvin Water drop experiment without assuming the container to alrea...

The way I have heard it explained is not by the container but the water drops themselves. Statistically there is no way you can get a perfectly neutral water drop every single time. Eventually you wil …
cspirou's user avatar
  • 1,226
2 votes
Accepted

Energy transfer in a coupled pendulum

The string that the eggs hang from is allowed to move in the same direction as the eggs when swung perpendicular. This is not the case when you swing in parallel. If you hold the top string still and …
cspirou's user avatar
  • 1,226