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Should You Wipe Off Your Sweat?

Want to donate to the highest-impact charities AND get your donation matched up to $100? Visit https://Givewell.org/MinutePhysics If you’re in scorching heat, or when your body is working hard and you’ve got hot, hot sweat all over, sticky and stifling - does wiping off the sweat help you cool off? Or is it better to leave it on? Support MinutePhysics...

Wed Dec 20, 2023 19:38
The LAST Eclipse in History

This video is supported by the NASA Heliophysics Education Activation Team (NASA HEAT), part of NASA’s Science Activation portfolio. We are in the Golden Age of Solar Eclipses, but only for the moment. In fact, I'd argue we're already past peak solar eclipse and it's all downhill from here. Support MinutePhysics on Patreon! https://www.patreon.com/minutephysics...

Wed Dec 13, 2023 19:47
But What IS A Lens Flare?

Sign up for Brilliant (for free) and get 30 days of full access to all of their courses, go to https://brilliant.org/MinutePhysics - The first 200 people get 20% off a premium subscription! A lot of people took pictures of the recent solar eclipse in North America and got photos where there’s a ghostly image of the eclipse floating in the sky...

Wed Dec 6, 2023 20:04
What if you pointed the Hubble telescope at Earth? @xkcd_whatif

The first video we created together with our friends at xkcd is out now! You can find it here: http://youtube.com/@xkcd_whatif

Wed Nov 29, 2023 21:12
Are Magnetic Guitar Picks a Scam?

To try everything Brilliant has to offer—free—for a full 30 days, visit http://brilliant.org/MinutePhysics The first 200 people get 20% off a premium subscription! I was sent a magnetic guitar pick to review, so I reviewed it. Does it work? How? Why? What's the physics of electric guitar strings and pickups? Are magnets useful? Do they affect...

Wed Jun 14, 2023 22:51
But Why Do Geosynchronous Orbits Even Exist?

Go to https://givewell.org/minutephysics to have your first donation matched up to $100! This video is about the physics of geosynchronous and geostationary orbits, why they exist, when they don't, when they're useful for communication/satellite TV, etc. REFERENCES Fraction of a sphere that's visible from a given distance https://math.stackexchange.com/questions/1329130/what-fraction-of-a-sphere-can-an-external-observer-see...

Thu Dec 22, 2022 16:14

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