Title text:
'Beyond that lies a vale of fire through which my vision cannot penetrate' is the kind of fun thing geologists, heliophysicists, and early universe cosmologists have a lot of opportunities to say.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3243/
I find thermo-luminiscence dating interesting too, from an antroprocentric point of view.
Imagine, you find human relics but can't use radio carbon dating, because it just tells you: yes it is older than 60k years but I won't tell you how much older, because we ran out of ¹⁴C a while ago. And then someone comes along and says: Hey let's heat those rocks we found close to the ancient fire place and measure the energy they emit instead. :D
Crystal-gazing is one of my favorite things to do. I can ponder my crystal for hours and commune with other practitioners, plumb the depth and breadth of human understanding, and look at cats. Lotta cats in the crystal network.
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