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Nuts and Bolts: Seven Small Inventions That Changed the World

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*SHORTLISTED FOR THE ROYAL SOCIETY SCIENCE BOOK PRIZE 2023*
*AS HEARD ON RADIO 4 START THE WEEK, OFF AIR WITH FI AND JANE AND 99% INVISIBLE*

‘Delightful’ TIM HARFORD, FINANCIAL TIMES
‘Appeals to the nerdy side of just about all of us… a great book to give’ JANE GARVEY
‘A splendid book: clearly written, elegantly structured and full of facts you are unlikely to chance on anywhere else’ DAILY MAIL

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 inventions: the nail, spring, wheel, lens, magnet, string and pump. Each of these objects is itself a wonder of design, the result of many iterations and refinements. Together, they have enabled humanity to see the invisible, build the spectacular, communicate across vast distances, and even escape our planet.

Tracing the surprising journeys of each invention through the millennia, Roma reveals how handmade Roman nails led to modern skyscrapers, how the potter’s wheel enabled space exploration, and how humble lenses helped her conceive a child against the odds.

She invites us to marvel at these small but perfectly formed inventions, sharing the stories of the remarkable, and often unknown, scientists and engineers who made them possible. The nuts and bolts that make up our world may be tiny, and are often hidden, but they’ve changed our lives in dramatic ways.

‘A wonderful book’ MARK MIODOWNIK
‘A masterclass in storytelling’ JESS WADE
‘A riveting love letter to the small, wonderful, and mundane things that make the modern world.’ ROMAN MARS

Author: Agrawal Roma
Publisher: HODDER & STOUGHTON GENERAL PUBLISHING
Pages: 320
ISBN: 9781529340112
Cover: Paperback
Edition Number: 1
Release Year: 2024

Roma Agrawal is a structural engineer who builds big. From footbridges and sculptures, to train stations and skyscrapers – including The Shard – she has left an indelible mark on London's landscape. She is a tireless promoter of engineering and technical careers to young people, particularly under-represented groups such as women. She has advised policymakers and governments on science education, and has given talks to thousands around the world at universities, schools and organisations including two for TEDx. Roma has been awarded international awards for her technical prowess and success in promoting the profession, including the prestigious Royal Academy of Engineering's Rooke Award. Roma has published articles on engineering, education and leadership, as well as being a television presenter. Roma is soon to appear on LEGO Masters on Channel 4, putting her engineering knowledge to use in judging structures built solely from LEGO.

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