资讯

The first message sent by Morse code’s dots and dashes across a long distance traveled from Washington, D.C., to Baltimore on Friday, May 24, 1844 – 175 years ago. It signalled the first time in human ...
A pair of smart shoes has been created to let industrial workers keep in touch via toe-typed coded messages. The footwear was inspired by Morse code, but made possible by the latest communication ...