Podcaster: Steve Nerlich
Title: Fantastic Physics Formulas, Episode 10
Organization: Cheap Astronomy
Links: http://cheapastro.com
Description: Orbits and entropy. Blowing off some steam.
Read by Barry Haworth and Duranee, written by Steve Nerlich, with technical advice from Stephen D’Souza.
– The orbit equation:
There are several orbit equations around, but this orbit equation tells you what orbital velocity you need to maintain an orbit at a particular altitude.
– Entropy and the Inequality of Clausius:
Getting to this formula requires a bit of a story, but it’s worth it as it ends up explaining which direction the Universe is moving in. The conversion of heat, a form of energy, into work dates back to ancient Roman times, although heat engines built to do proper industrial work first appeared around the start of the 17th century, mostly steam engines that first pumped water out coal mines and then later drove locomotives, as well as driving a range of other piston-driven machines.
Bio: Cheap Astronomy offers an educational website where you’re only as cheap as the telescope you’re looking through.
Today’s sponsor: Big thanks to our Patreon supporters this month: Paul M. Sutter, Chris Nealen, Frank Frankovic, Frank Tippin, Jako Danar, Michael Freedman, Nik Whitehead, Rani Bush, Ron Diehl, Steven Emert, Brett Duane, Don Swartwout, Vladimir Bogdanov, Steven Kluth, Steve Nerlich, Phyllis Foster, Michael W, James K Wood, Katrina Ince, Cherry Wood.
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365 Days of Astronomy
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