The Mystery of the Balancing Butterflies, The Lighted-Bulb Puzzle, The Invisible Movie Screen, The Suspended Paper Clip, The Water-Pail Hoax and other feats that demonstrate basic scientific principles. With easy-to-follow instructions, helpful illustrations, and suggestions for patter and staging — the better to turn young demonstrators into accomplished performers.
Sports Science for Young People by George Barr Does a curve ball really curve? Why does a golf ball have dimples? Find answers to these and hundreds of other questions in this entertaining discussion of the scientific principles underlying sports.
