https://youtube.com/watch?v=QiY68lVI3j8

Thirty-seven years after Dr. Amar Bose hit on the idea of beefing up a loudspeaker’s electromagnetic driver to be an adaptive car suspension, Bose is selling off the technology to ClearMotion, another Boston-area tech company founded by MIT graduates. Bose got as far as developing prototype cars that were exhibited in 2004, though it did bring to market an offshoot, electromagnetically suspended seats for long-haul truck drivers.