It sounds crazy—and it probably is. A robotic ball designed to roll
around battlefields taking potshots at troops is being built at Michigan State
University. Ranjan Mukherjee’s robot rolls along by shifting weights up and down
spokes inside the metal sphere. When it comes to a stop, it stands itself up on
three telescopic legs and uses a camera to get a 360-degree view of the
surroundings. Heat and motion sensors track potential targets, which it can then
fire at with a gun that pops out of the sphere.
To continue reading, today with our introductory offers
Advertisement
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
Humans sleep the least of all apes – is it the secret to our success?
3
US government wants to have a useful quantum computer by 2028
4
Our verdict on The Selfish Gene: An unpopular piece of popular science
5
We’ve uncovered a master gene that switches on human development
6
Remote-controlled cockroach swarm can now breathe underwater
7
The race to understand how and when Thwaites glacier will collapse
8
Ancient human DNA found on cave art for the first time
9
If you aren't terrified by this heatwave, you should be
10
Childbirth for many primate species is even harder than for humans