Sign language is a language you express by using your hands and face instead of spoken words. It’s most commonly used by people in the Deaf community. How many types of sign language are there? There ...

A study is the first-of-its-kind to recognize American Sign Language (ASL) alphabet gestures using computer vision. Researchers developed a custom dataset of 29,820 static images of ASL hand gestures.

Baseball coaches and players use sign language all the time — the catcher communicating what kind of pitch to throw or the third-base coach giving base-runners the cue for a double-steal. On Aug. 22, ...