Books in Math How To... series

Would you like to make a trip to the Moon, or build your own nuclear reactor? Have you ever wanted to travel through time? Well, here's your chance! Whether you're interested in cloning budgies or building black holes, the "How to" guides will tell you everything you need to know. Thesehands-on guides give you step-by step instructions on how to build a Moon rocket, clone a sheep, split the atom or make a time machine. And on the way to becoming a time traveller or nuclear genius, you can learn about the brilliant scientists who first made these incredible discoveries - and aboutthe slightly less brilliant scientists who didn't.How to Build a Time Machine tells you everything you need to know to make your own time machine. The work of Einstein showed that time is not fixed: it can be stretched or compressed. And black holes, which are formed when huge stars explode, could give us a way to travel through time. Use this bookto experiment with gravity, investigate worm holes - and build a working black hole!

Another title in the popular "How To" series, that addresses the issue of artificial intelligence - what is it, what can it do for us, and should we be worried about it? Robots have been a part of our lives for many years - in factories, in dangerous places, or in extremes of heat or cold,but it's only now that scientists are building robots that can think as well as do. As we discover how to build machines that can learn, rather than just take instructions from us, what are the implications for the future?Clive Gifford is a specialist science writer for children. His previous books include How the Future Began: Machines, Eyewitness Communications, Inside Robots and articles for Techno Quest magazine.