’I never knew air could be so interesting’ Bill Bryson’A wonderful lesson in how science works’ Simon Singh, Daily Telegraph____________________We not only live in the air, we live because of it.At ground level air transforms miraculously; it wraps our planet in a blanket of warmth, while the outer layer of our atmosphere soaks up violent flares from the sun. And air is about much more than just breathing. At ground level air transforms miraculously into solid food, and without it every creature on earth would starve; it wraps our planet in a blanket of warmth; radio signals bounce off a floating mirror of metal in the air to travel round the world; and the outer layer of our atmosphere soaks up flares from the sun more violent than all the world’s nuclear warheads put together.Gabrielle Walker traces a journey of groundbreaking scientific discovery, from the Italian Renaissance scientist Torricelli, disciple of Galileo, who realised that we live at the bottom of a dense ocean of air, to the West Virginian farmhand William Ferrel, who unlocked the secrets of the trade winds by making calculations with a pitchfork on the back of a barn door. Then there is the hapless 1920s inventor Thomas Midgley, who when trying to solve a refrigeration problem inadvertently created chemicals that punched a hole in the sky, and the extraordinary American discovery at the height of the Cold War that space itself is radioactive.____________________’A blend of science writing and historical anecdote that is hard to fault … Walker’s account of half a dozen scholars and their inspired hunches, painstaking experiments, wrong turns and dazzling discoveries is like a good detective story’ New Statesman
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