A practical guide to managing your attention – the most powerful resource you have to become more creative, get stuff done, and live a more meaningful life
Progress has led to more exciting inventions in this title of the Crafty Inventions series. Find out why astronomers developed the astrolabe, learn how military signals led to the invention of the kite and how the abacus made arithmetic easy. Then get your bearings with your own working compass, look through a pinhole camera, rig-up a model boat and cast a jelly hand.
When orphaned Mary Lennox comes to live at her uncle's great house on the Yorkshire Moors, she finds it full of secrets. The mansion has nearly one hundred rooms, and her uncle keeps himself locked up. And at night, she hears the sound of crying down one of the long corridors. The gardens surrounding the large property are Mary's only escape. Then, Mary discovers a secret garden, surrounded by …
From a new generation of cell phones that send pictures and short movies, to plasma TV screens, supercomputers and the worlwide web, technological progress has led to more exciting inventions in this title.
Model your own inventions from a miniature flush loo to a cracking pop-gun and a dragon with battery-powered eyeballs.