Researchers Re-Create 5,000-Year-Old Egyptian Blue, the World’s Oldest Synthetic Pigment Once Lost to Science
The deep, vibrant blue you often see in ancient Egyptian depictions of royalty is no ordinary color — made from calcium copper silicate, it may be able to enhance energy efficiency, boost solar electricity, and help create counterfeit-proof ink. Originally used around 5,000 years ago, it’s considered the world’s oldest synthetic pigment. Its usage faded […]
