Mike Goldsmith
Genre
Influences
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Scientists and Their Mind Blowing Experiments
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published
2003
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7 editions
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Inventors and Their Bright Ideas
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published
2002
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8 editions
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How to Be a Math Genius: Your Brilliant Brain and How to Train It
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published
2012
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4 editions
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From Zero to Infinity
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published
2012
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15 editions
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Sound: A Very Short Introduction
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published
2015
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9 editions
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Waves: A Very Short Introduction
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published
2018
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3 editions
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Eureka!: The Most Amazing Scientific Discoveries of All Time
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published
2014
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6 editions
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Darwin and Other Seriously Super Scientists
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Fantastic Future
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The Kingfisher Space Encyclopedia
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published
2012
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8 editions
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“If one wishes to ‘see’ a travelling wave, one must therefore chart air pressure changes through time. One of the first to attempt this was Alexander Graham Bell, who in 1874 procured an ear from a corpse, impregnated it with oil to keep it flexible, and attached a thin straw to its drum. The other end of the straw was allowed to trace a line on a strip of soot-covered glass which was moved along as the ear was shouted at. This wobbly line was the first recording of a sound wave and the device was called an ear phonautograph. To the relief of those who had to construct them, later versions dispensed with dead ears in favour of metal diaphragms.”
― Sound: A Very Short Introduction
― Sound: A Very Short Introduction
“However, continuous background noise--even if it is no longer consciously heard--has a wide range of negative effects on people, from stress, tiredness, and increased irritability to reduced accuracy in task performance.”
― Discord: The Story of Noise
― Discord: The Story of Noise
“The deep sound channel was exploited to set up the SOFAR (sound fixing and ranging) system, which was initiated in 1960 by the Australia-Bermuda Sound Transmission Experiment, in which explosions were set off near Heard Island in the Indian Ocean off the coast of Australia. They were detected in Bermuda, at a distance of 20,000 km. A new, unexpected sound was discovered by the SOFAR researchers, and later identified as the calls of fin whales (Balaenoptera physalus), who long ago discovered the existence and properties of the deep sound channel and regularly visit it to signal their distant kin.”
― Sound: A Very Short Introduction
― Sound: A Very Short Introduction
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