Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...

A pair of Ph.D. candidates in Japan have developed a glove that lets wearers "feel" distant objects underwater, even without making physical contact. Dubbed "IrukaTact," the glove uses a combination ...

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 ...

Although the idea of a smart, active water tank is more complex and costlier than its passive counterpart, the active type has clear advantages in terms of energy economy and water delivery. To keep ...