Today in History – December 21, 1807 – Fourier introduces his series at the Paris Institute. Joseph Fourier’s memoir, On the Propagation of Heat in Solid Bodies, was read to the Paris Institute. It introduced the expansion of functions into trigonometric series which are now called Fourier series.
The Fourier series allows periodic functions to be [...]

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Today in History – December 13, 1928 – Today is Clip-on Tie Day. That’s right, on this day, 79 years ago, someone (and I couldn’t find out who) invented the clip-on tie. This fine fashion accessory often gets a bad wrap. People belittle it as the tie for people that don’t know how to [...]

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Today in History - November 14, 1985 - Fullerenes were first introduced in the journal Nature,. Earlier in September during 11 days of collaborative research, Robert F. Curl, Jr., Richard Smalley and Sir Harold W. Kroto discovered the first fullerene, C60, a spherical cluster of carbon atoms. The discovery was coined buckminsterfullerenes or buckyballs after [...]

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