Did you know?
Sometime around 2,200 B.C., the Egyptians created the first synthetic pigment, known today as Egyptian blue. It was produced from a combination of lime, silica, copper and an alkali. It glows under infrared and fluorescent lights, which helps us identify the color even when it is not visible.
YOU MAY ALSO LIKE
10 Unforgettably Epic Heists from History 3.9k views
10 Untold Facts About Harry Potter 3.5k views
How Does Panjin Red Beach Change Color? 541 views
10 People Who Sacrificed Big for Humanity 6.1k views
10 Unbelievable Places On Earth Pt.2 4.5k views