The legend of Isaac Newton's most foolish (and cat-friendly) invention

Isaac Newton accomplished some very important things in his life. He came up with a modern version of calculus (although not the modern notation). He described and explained a little thing called gravity. But he also is said to have invented a very useful thing for cats, in a very stupid way. » 6/07/13 4:20pm 6/07/13 4:20pm