Noise is a widely recognized problem and health concern in the
modern world. Given the importance of managing noise levels and
developing suitable 'soundscapes' in contexts such as industry,
schools, or public spaces, this is an area of active research for
acousticians. But noise, in the sense of dissonance, can also be
used positively; composers have employed it from Baroque music to
Rock feedback; medicine harnesses it to shatter kidney stones and
treat cancer; and even the military uses it in (real and rumoured)
weapons. Mike Goldsmith looks back at the long history of the
battle between people and noise - a battle that has changed our
lives and moulded our societies. He investigates how increasing
noise levels relate to human progress, from the clatter of wheels
on cobbles to the sound of heavy machinery; he explains how our
scientific understanding of sound and hearing has developed; and he
looks at noise in nature, including the remarkable ways in which
some animals, such as shrimps, use noise as a weapon or to catch
prey. He concludes by turning to the future, discussing the noise
sources which are likely to dominate it and the ways in which new
science and new ideas may change the way our future will sound.
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