What do you think?
Rate this book
Crafty Inventions
Working Things Out
What inspired the Romans to build straight roads? Why did Archimedes want to make a giant screw? More tricky problems lead to another 10 brilliant inventions in this title of the Crafty Inventions series. Discover how wind was used to power machines and how printing sped up book-making. Then string up a superpulley, build a wind turbine and carve a set of vegetable printing blocks Table of Archimedes screw Twisting force Arch bridge Redistributing loads Sundial Light and Shadow Chariot race Spoked wheels Crane Pulley systems Windmill Wind power Block printing Inks and dyes Wheelbarrow Classes of lever Road-building Camber and drainage Stirrup Stopping forces Glossary and index Tools and materials
Hardcover
First published March 1, 2005
2 people want to read
Ratings & Reviews
Friends & Following
Create a free account to discover what your friends think of this book!
Community Reviews
No one has reviewed this book yet.