• 1984@lemmy.today
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    5 months ago

    Theoretically, the development could allow a submarine to travel faster than the speed of sound without producing the mechanical noise vibration that usually gives away its location, according to the researchers.

    LOL, imagine a submarine traveling at Mach 1 under water… :)

    • Fermion@mander.xyz
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      5 months ago

      The speed of sound in seawater is around 1500m/s or 5400 km/hr. Something tells me they won’t actually be going supersonic.

      The article shouldn’t be referencing the speed of sound without specifying the medium for the sound waves and conditions such as temperature for water or temperature and pressure for air.