Along with handcuffs and a truncheon, bobbies on the beat may soon carry a
radar flashlight. A prototype device has been built by researchers at the
Georgia Tech Research Institute in Atlanta. The radar flashlight uses a signal
processing chip to detect a human through walls and doors. It can penetrate a
20-centimetre block wall to reveal movement as subtle as breathing.
More from New Scientist
Explore the latest news, articles and features

Technology
US government wants to have a useful quantum computer by 2028
News

Life
Childbirth for many primate species is even harder than for humans
News

Humans
Humans sleep the least of all apes – is it the secret to our success?
Features

91É«Ç鯬
Your menstrual cycle may affect how well vaccines work
News
Popular articles
Trending New Scientist articles
1
Where, when and how to watch the 2026 solar eclipse
2
Our verdict on The Selfish Gene: An unpopular piece of popular science
3
We’ve uncovered a master gene that switches on human development
4
Humans sleep the least of all apes – is it the secret to our success?
5
Remote-controlled cockroach swarm can now breathe underwater
6
Woman with Alzheimer's starts conversing again after taking psilocybin
7
Screwworm could be the first species targeted by an 'extinction drive'
8
The challenges of writing from the perspective of a sex robot
9
If you aren't terrified by this heatwave, you should be
10
The best sci-fi novel in 2026 so far – plus 6 other great reads