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When light hits gas molecules, the electrons get all worked up. Then they calm down and re-emit the energy as light. But the frequency of the photons they emit is very specific to the molecules involved.
“Between memory and reality there are awkward discrepancies...”
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Paul’s 2025 Year in Books
Take a look at Paul’s Year in Books, including some fun facts about their reading.
Favorite Genres
Polls voted on by Paul
Lists liked by Paul
