Beethoven overcame deafness by biting a metal rod attached to his piano to hear his work. It’s called bone conduction, and can also be used to help divers talk and hear underwater, and is also used by elephants to communicate.
fact
Beethoven overcame deafness by biting a metal rod attached to his piano to hear his work. It’s called bone conduction, and can also be used to help divers talk and hear underwater, and is also used by elephants to communicate.