the.com/headphone
a privacy booth for your skull, smuggling whole worlds past everyone within arm's reach
first modelNathaniel Baldwin built them on his kitchen table in 1910
navy buyerearly adopters were U.S. Navy radio operators
noise cancelinginvented for pilots, born from an airplane idea in 1978
left and rightstereo sound only became standard in the 1950s
hidden dangersustained loud listening can permanently kill inner-ear hair cells