It turns out that the color of gold can only be explained using special relativity. Another brief article says that if relativity is ignored, gold would be silvery in color.
This isn't a new result but I hadn't heard it before.
OCRE launches new interface to aid in identification of Roman coins - After years of discussion and labor by several people, we are pleased to announce a new interface for Online Coins of the Roman Empire that will aid in the...
2 days ago