[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 ...

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 ...

Sometimes, doctors find a way to use technology that hits all the right notes -- it’s easy on your body, gives fast results, and doesn’t cause any side effects. That’s just the case with Doppler ...

The Doppler effect has helped us measure the world around us, from the movement of stars and clouds to sound frequencies. Gillian Isoardi from Queensland University of Technology explains how it works ...