This Neat Experiment Lets You Measure the Speed of Light With a Chocolate Bar

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The popular experiment has been revived by an MIT PhD student. Here's how to give it a try.

is based on the fact that the speed of light is equal to the wavelength multiplied by the frequency of an electromagnetic wave .

All you have to do to get started is remove the turntable inside the microwave, insert the chocolate, then heat it up for about 20 seconds. Removing the turntable means that the microwave's standing wave will heat up and melt certain spots of the chocolate at half of the wavelength. If you remove the turntable, the standing wave will heat up certain spots of the chocolate, at half the wavelength. If you measure the distance, double to get the wavelength, and get the frequency from the microwave, you can calculate the speed of light

 

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Wrinkles left over from the Big Bang may have magnetized the universePaul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute in New York City. Paul received his PhD in Physics from the University of Illinois at Urbana-Champaign in 2011, and spent three years at the Paris Institute of Astrophysics, followed by a research fellowship in Trieste, Italy, His research focuses on many diverse topics, from the emptiest regions of the universe to the earliest moments of the Big Bang to the hunt for the first stars. As an 'Agent to the Stars,' Paul has passionately engaged the public in science outreach for several years. He is the host of the popular 'Ask a Spaceman!' podcast, author of 'Your Place in the Universe' and 'How to Die in Space' and he frequently appears on TV — including on The Weather Channel, for which he serves as Official Space Specialist. Oh my Gauss! Pre- and post-inflationary primordial charge flows generated primordial magnetic fields which in turn drove charge separation and subsequent collective effects . . . --PrometheusWarpX Should have used moisturizer! (Ok this might be the worst of my extremely bad jokes yet but it's still an achievement!)
Source: SPACEdotcom - 🏆 92. / 67 Read more »

This Neat Experiment Lets You Measure the Speed of Light With a Chocolate BarThe popular experiment has just been revived by an MIT PhD student of astrophysics on Twitter.
Source: IntEngineering - 🏆 287. / 63 Read more »