The Terrifying Physics of Shaking Hands With an Alien

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Mark your calendars and go to http://complexlylearnathon.com to check out the schedule of events! This riddle posed by Richard Feynman sounds silly, but the answer contains one of the most important discoveries in physics. Hosted by: Madelyn Leembruggen (she/her) ---------- Support us for $8/month on Patreon and keep SciShow going! https://www.patreon.com/scishow Or support us directly: https://complexly.com/support Join our SciShow email list to get the latest news and highlights: https://mailchi.mp/scishow/email ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Jaap Westera, Alex Hackman, Blood Doctor Kelly, Toyas Dhake, Matt Curls, Piya Shedden, Jason A Saslow, Kevin Knupp, J.V. Rosenbalm, Garrett Galloway, Steve Gums, David Johnston, Bethany Matthews, Chris Curry, Chris Peters, Chris Mackey, Jeremy Mattern, Adam Brainard, Kevin Bealer, Alan Wong, Joseph Ruf, Lyndsay Brown, Cye Stoner, Jp Lynch, Eric Jensen, Friso ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow Bluesky: https://bsky.app/profile/scishow.bsky.social #SciShow #science #education #learning #complexly ---------- Sources: https://docs.google.com/document/d/e/2PACX-1vRDXzV9YQH8spF8kzHE7riyUxiEBKHwKBfgmEvaPCnSc-GBOS6ARLJoaVgBNh8gmHFQ_dLkT81K3NP

Published 2025-10-24 · Watch on YouTube ↗
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