Fundamental constants place a new speed limit on sound
Under normal conditions, sound waves can't go faster than 36 kilometers per second
![sound wave](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/10/100920_EC_speed-sound_feat.jpg?fit=1028%2C579&ssl=1)
Physicists have proposed an ultimate limit to the speed that sound waves can travel under conditions normally found on Earth. The number is based on fundamental constants, important numbers in physics that govern properties and interactions of subatomic particles.
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