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YouTubevt.physics
The Science of Glow: What Happens When You Add Lemon Juice to Highlighter Ink?
When you highlight something, the ink glows because it contains fluorescent molecules with electrons that can absorb energy from light. These electrons jump to higher energy levels when exposed to light and then fall back down, releasing that energy as visible light... that’s the bright glow you see. The ability to do this comes from a stable ...
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