There's a great episode from the Cosmos series where Carl Sagan talks about how the range of whale communication was inhibited by the development of steam engin

There's a great episode from the Cosmos series where Carl Sagan talks about how the range of whale communication was inhibited by the development of steam engine ships: https://youtu.be/UwzukFBWxu4?t=765 https://youtu.be/UwzukFBWxu4?t=765