Each close-up photo shows the proper formation for each letter. Marlee signs is not a replacement for a comprehensive ASL class, but it is an excellent tutorial to introduce you to sign language.

American Sign Language (ASL) is one of the most widely used sign languages, consisting of distinct hand gestures that represent letters, words and phrases. Existing ASL recognition systems often ...

American Sign Language (ASL) is one of the most widely used sign languages, consisting of distinct hand gestures that represent letters, words and phrases.

The device, which was developed at the University of California, San Diego, can convert the 26 letters of American Sign Language (ASL) into text that can be viewed on a smartphone display.

Finally, technology could help people learn sign language effectively, thanks to a glove covered in sensors.

If children choose to learn sign language once they’re older, they can. But first let them learn to listen and talk. Jane Madell Brooklyn The Times welcomes letters from readers.