Can You Create A Perfectly Silent Space?

Imagine a place with no noise whatsoever: no sound, no light, no radio — hell, no Wi-Fi. How on Earth would you go about creating it?

First, you'd need no air in the space; second, it would have to be isolated from the ground; third, it would need to be entirely insulated from external sources of noise. Sounds like it should work, right? Nope! Good ol' quantum physics means that it's much, much harder than that — and this video explains why. [New Scientist]

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