nuts and bolts how tiny inventions make our world workAn ambitious but accessible book exploring how seven small inventions from the nail to the spring have shaped our world, by the engineer who designed The Shard. Smartphones, skyscrapers, spacecraft. Modern technology seems mind bogglingly complex. But beneath the surface, it can be beautifully simple. In Nuts and Bolts, award winning Shard engineer and broadcaster Roma Agrawal deconstructs our most complex feats of engineering into seven fundamental