The frog galvanoscope was a sensitive electrical instrument used to detect voltage in the late 18th and 19th centuries. It consists of a skinned frog's leg with electrical connections to a nerve. The instrument was invented by Luigi Galvani and improved by…

Robert Oppenheimer did a lot of interesting physics before the Manhattan Project and atomic bombs. More links and info below ↓ ↓ ↓

Featuring Tony Padilla from the University of Nottingham: https://www.nottingham.ac.uk/physics/people/antonio.padilla

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Using quasars as ticking cosmic clocks, scientists took a journey back in time, discovering time progressed five times slower just after the Big Bang.

In this post I derive the physics of pumping a swing and the physics of jumping from a swing. Then, using both pieces I compute the optimal strategy of jumping from a swing to maximize the traveled distance. I propose this game as a new Olympic sport.

A new interpretation of Isaac Newton’s writings clarifies what the father of classical mechanics meant in his first law of motion