Over 5,000 years ago, ancient Egyptian artisans created something science wouldn’t rediscover for millennia — a pigment that still glows under infrared light today. Known as Egyptian Blue, it’s the world’s first synthetic color… and one of the greatest secrets of ancient chemistry. It survived empires, sand, and time itself — and it still shines brighter than ever. 💠 A color that never fades. 💠 A mystery that still puzzles scientists. What other ancient technologies do you think we’ve lost? 🤔