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ISvengali t1_j4v9inl wrote

Reply to comment by DucksVersusWombats in What happens to the energy of sound in space? by full_hammer

That a good point, though the answer is rarely. Theres something like 1 molecule / cm3 (though places can be less and more)

Every now and then one of those atoms will get close enough and the tuning fork will knock it away making 'noise'. Presumably if one hits at the right time itll add energy also.

Both events are going to be fairly rare.

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