Uploaded July 2026 | Updated September 2026, 3 weeks ago

---

Earth’s rocks are full of uranium, so why are they not constantly exploding as they are hit with cosmic rays? 💥

Physicist Frank Close explains the crucial difference in uranium isotopes.

Full talk on the dawn of the Nuclear Age in the link above!

Subscribe for regular science videos: bit.ly/RiSubscRibe
Join this channel to get exclusive scientist Q&As:
youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join

#isotopes #uraniumisotopesexplained #uranium #physicsexplained #nuclearfission #nuclearage #nuclearscience #cosmicrays #funscience #scienceexplained