rescue equipment

The Lifeseeker device has a maximum range of 32km and can determine the location of a switched-on mobile phone within less than 5km.

Researchers at ETH, Zurich, Switzerland have developed a device

This device allows the user

MIT engineers at MIT have created the prototype of a handheld device that allows users to stand on one side and track anything that moves across the wall.

A group of high school girls in the United States invented a Watawescue t-shirt that is self-inflating when wet, to protect children from 2 to 4 years of age when swimming.