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Many people don’t realize that LED lights flicker over 100 times per second ⚡💡 When filmed in slow motion, the hidden strobe becomes visible — and that “invisible flicker” is exactly why artificial lighting can trigger headaches, eye strain, and sickness in so many people 🤕👁️✨

451,141 次观看 • 7 个月前 •via X (Twitter)

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