An "inventor's inventor," whose hundreds of patents underlie much of our modern technology. John Hays Hammond Jr. lives and works in a medieval-style castle, which he built on the...
Superstition is a belief surviving from an earlier stage of thinking and is based on cause-and-effect relations inconsistent with science. Primitive ways of thinking,...
The history of playing cards is not clear. However the cards, are pieces of cardboard, oblong in shape, bearing certain figures and spots; specifically,...