Learn how to make a simple DIY pendulum using a ping pong ball and basic household materials. This step-by-step guide shows ...

PROF. GREENHILL gives currency to quite an erroneous idea, in last week's NATURE (p. 50). He says “in the Foucault experiment of the pendulum which shows the rotation of the earth, the slightest ...

The year is 1851, and doubts regarding the Earth spinning is also a massive one, as many people argue over this activity of the planet and how it relates to other entities in the galaxy. However, the ...

__1851: __ Léon Foucault uses a pendulum to demonstrate the rotation of the Earth. It is the first direct visual evidence not based on watching the stars circle in the sky. Jean Bernard Léon Foucault ...

Last week over in Twitter-land, Philip Ball asked an interesting question: I’ve written a fair bit about historical science, and read more than I’ve written, so this question stuck with me, and seems ...

At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...

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The 1 kg pendulum is held up to the demonstrator's face and released. Because of conservation of energy, the ball will not swing higher than the height at which it was released (in fact, because ...