Mexican gestures can be hard to decipher at first, but once you get the hang of them you'll be wagging your fingers like a local.

[B. Aswinth Raj] wanted to control a VLC player with hand gestures. He turned to two common ultrasonic sensors and Python to do the job. There is also, of course, an Arduino. You can see a video ...

Microexpressions (brief displays of emotion on the face), hand gestures, and posture all register ... the level of conscious awareness. When you wait for a blind date to arrive, for instance ...

It's the first attraction in the UK to use '4D' effects of heat, smoke and wind, alongside Maestro hand gesture-activated ... requiring 3D glasses and we can't wait to try it out ourselves!