If you’ve always wondered how gold was made, then check out this interesting “How it’s Made” segment. Video after the jump.

These colors are the result of gold’s plasmon frequency lying in the visible range, which causes red and yellow light to be reflected, and blue light to be absorbed. Only silver colloids exhibit the same interactions with light, albeit at a shorter frequency, making silver colloids yellow in color

If you’ve always wondered how gold was made, then check out this interesting “How it’s Made” segment. Video after the jump.

These colors are the result of gold’s plasmon frequency lying in the visible range, which causes red and yellow light to be reflected, and blue light to be absorbed. Only silver colloids exhibit the same interactions with light, albeit at a shorter frequency, making silver colloids yellow in color