Zippers have teeth and other questions about inventions
Notes:
Includes index
Contents:
Why do people invent things? Is everything invented? Where do inventors get their ideas? Which new invention was soon on everyone's lips? Who wore a mouthful of hippo teeth? Why were Band-Aids invented? Who first flushed the toilet? Who first jumped in the bath? How did horses help keep carpets clean? Who invented raincoats? Why do zippers have teeth? Can clothes keep you feeling fit? What did people use before refrigerators? Who ate the first cornflakes? How were drinking straws invented? Why are bears called teddy bears? Which toy is 6,000 years old? When did home computer games appear? How do you make toast without a toaster? Who invented the microwave oven? Why don't nonstick frying pans stick? Who scored goals in a basket? Why are sneakers so springy? How did people ice-skate in summer? What were the first cars like? How do you ride on air? Which bikes have sails? How can you fit 1,500 books in your pocket? Which computer was as big as a bus? Who was Mr. Biro? How did a till settle a row? Who used tea as money? How can a shopping cart make you rich? Which come first--screws or screwdrivers? Who had everything under lock and key? Could a horse mow the lawn? Who took hours to take a photo? When could you watch pink TV? Who invented the personal stereo? How can you fight a hungry dinosaur? Are there robots in space? Index
