In her new book Nuts and Bolts: Seven Small Inventions That Changed the World (in a Big Way)), structural engineer Roma Agrawal) identifies and examines the seven of most basic building blocks of engineering that have shaped the modern world: the nail, the wheel, the spring, the lens, the magnet, the string, and the pump.
Click here to get the book!) Available for pre-order at W. W. Norton in the US) and Bookshop.org in the UK).
Nuts and Bolts)