Gizmo Watch

If things go well, prostheses may soon help a person "feel" too. Bionic hands with gelled fingertips may be the answer to provide the wearer with a sense of touch and sensitivity. This may even help them instinctively hold objects, because humans...

MIT researchers have created a new structured gel that can rapidly change color in response to a variety of stimuli, including temperature, pressure, salt concentration and humidity. The gel can be useful in a food processing plant, where the sensor..