"Optical sorting" of food
You learn something every day. I knew that conveyor belts could sort food by size and remove debris using sifting screens, but I didn't know they used optics to sort by color and shape. Then they can remove unwanteds using little puffs of air. Amazing.
A quick search yields many other examples. I saw one machine that sorted brown and white grains of rice. This one separates white beans from black beans.
I have no doubt my first job (monitoring a line of cans at a Green Giant corn-processing factory for dented ones and throwing them out) is now automated. Don't know if a machine does my other task of greasing the cooker machines...
