Bats navigate chaos in complete darkness by listening to shifting echoes, adjusting speed instantly without tracking every ...

Like so many mini submarines equipped with sonar, they deftly navigate dark forests and caves by listening for the echoes of ...

Sound is a form of energy. It is that form of energy which makes us hear. Sound wave is a vibratory disturbance in a medium which carries energy from one point to another without there being a direct ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. G'day, Dr Karl here. Now most of us know that some bats find their way around using sound. This is ...

[Daniel] stumbled on an interesting paper (which we featured before) on Doppler gesture sensing using only a computer’s speaker and microphone. Unfortunately the paper didn’t include source code so ...