3 ms·
The basic concept is that you create a wave that moves at the speed of sound and when it reaches the end you have a microphone which picks up the signal and ret
by guidoism 6y ago
The basic concept is that you create a wave that moves at the speed of sound and when it reaches the end you have a microphone which picks up the signal and retransmits it through the coil. Pretty ingenious way to store information!