In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.
It makes unavoidably necessary an entirely new organization of society in which production is no longer directed by mutually competing individual industrialists but rather by the whole society operating according to a definite plan and taking account of the needs of all.
Doctor: It plays music. What's the point of that? Oh, with music, you can dance to it, sing with it, fall in love to it. Unless you're a Dalek of course. Then it's all just noise.
Doctor Who Evolution of the Daleks (2007), written by Helen Raynor.
They say gravity is the centre of attraction ; I rather think that noise is. Nothing so soon assembles the inhabitants of a house as a loud and sudden noise:
Letitia Elizabeth Landon, The Book of Beauty, 1833 (1832), 'The Talisman'.
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