If you live in a relatively dry climate, you probably don't worry about underwater hazards during the flood season. If you attend Tsukuba University, Japan however -- just miles from where the ...

This electronic glove uses sonar technology to let the wearer "feel" things underwater that he or she is not physically touching. When it detects an object in range, the glove—developed by a pair of ...

The HC-SR04 sonar modules are available for a mere pittance and, with some coaxing, can do a pretty decent job of helping your robot measure the distance to the nearest wall. But when sellers on eBay ...

A pair of Ph.D. candidates from Japan's Tsukuba University have created a special glove that allows the wearer to "feel" objects underwater without actually making contact with them. The gloves, known ...