An automatic pistol that shoots only in the hands of police officers is being
developed by Colt’s Manufacturing Company. The “smart” gun fires on a signal
from a transponder that sends out radio waves carrying a unique digital code.
The transponder is so small it can be hidden in a ring, watch or shirtsleeve
button and has a range of about 20 centimetres.
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«ÇéƬ
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
Remote-controlled cockroach swarm can now breathe underwater
3
Childbirth for many primate species is even harder than for humans
4
We’ve uncovered a master gene that switches on human development
5
Humans sleep the least of all apes – is it the secret to our success?
6
If you aren't terrified by this heatwave, you should be
7
US government wants to have a useful quantum computer by 2028
8
Our verdict on The Selfish Gene: An unpopular piece of popular science
9
Europe’s heatwave is the hottest and most humid ever
10
Ancient human DNA found on cave art for the first time
