Radar distinguishes electronics from other metals

Using two pulses of radio waves, method could locate survivors trapped in rubble

By Andrew Grant, 14:19 PM October 8, 2013

The metal detector has received a dolphin-inspired upgrade. A new technique distinguishes electronic gadgets from other metals, potentially aiding first responders and law enforcement agents.

Inspired by the way dolphins hunt fish by lassoing them with strings of bubbles, physicist and engineer Timothy Leighton of the University of Southampton in England builds sonar devices that differentiate between underwater bubbles and objects such as fish and naval mines (SN: 8/25/12, p. 12). The key is ...

Source URL: https://www.sciencenews.org/article/radar-distinguishes-electronics-other-metals?mode=magazine&context=187532