Harry is a U.K.-based staff writer at Live Science. He studied Marine Biology at the University of Exeter (Penryn campus) and after graduating started his own blog site 'Marine Madness,' which he continues to run with other ocean enthusiasts. He is also interested in evolution, climate change, robots, space exploration, environmental conservation and anything that's been fossilized. When not at work he can be found watching sci-fi films, playing old Pokemon games or running (probably slower than he'd like).
For the first time, scientists have shown that sound can travel through the emptiness of a vacuum. However, the rule-breaking trick requires specific circumstances and can only be carried out over extremely small distances.
But in a new study, published July 14 in the journal Communications Physics, researchers showed that sound can move through a vacuum. Unfortunately for space explorers being hunted by aliens, this does not extend to human screams. Related: Eerie sounds triggered by plasma waves hitting Earth's magnetic field captured in new NASA sound clip
However, the disruptions cannot travel a distance greater than the wavelength of a single sound wave. In theory, this works with any sound no matter how small the wavelength of that sound is, as long as the gap between the crystals is small enough.
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