But in many European and South American countries, including Italy, Spain, Greece, Brazil, Argentina, and Colombia, the gesture has a more obscene meaning. There, it's used to mock cuckolds ...

An curved arrow pointing right. Many hand gestures in the US are pretty universal. The peace sign, thumbs up, and "devil horns" aren't likely to earn you any strange looks in the States ...

This gesture signals fellow riders to slow down, possibly because the road ahead is unclear or in poor condition. Similarly, bikers use many other hand gestures while riding, one of which is ...

Each ‘style’ (as in ‘Bharatanatyam’ and ‘Kathak’ featured in BBC Young Dancer) has its demanding, characteristic physical vocabulary and repertoire to express this. But all share a ...

[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 ...