How does Lever lift such heavy weights? What stops Skycraper crashing to the ground? How come GPS knows exactly where to find you? Crammed with mega machines, breathtaking buildings, and all the technology in between, this book has the real insider view on engineering. From toothy Gears to Sturdy Steel and dependable Dam, meet these colorful characters and see what they have to say. It's rivetiā¦
The thoughts and deeds of great thinkers always make great stories, and here are a hundred of the most significant. Each Story relates a confounding puzzle that bacame a discovery and changed the way we see the world. We call these Ponderables.