US military unveils non-lethal heat ray weapon

A sensation of unbearable, sudden heat seems to come out of nowhere -- this wave, a strong electromagnetic beam, is the latest non-lethal weapon unveiled by the US military this week.

Cannon-fired shock wave could stun, kill people

(PhysOrg.com) -- Police and military forces around the world may soon have a new non-lethal weapon at their hands. Called the Thunder Generator, the device is a cannon that fires shock waves that pass through people and objects. ...

Nanorobot kills cancer cells in mice with hidden weapon

Researchers at Karolinska Institutet in Sweden have developed nanorobots that kill cancer cells in mice. The robot's weapon is hidden in a nanostructure and is exposed only in the tumor microenvironment, sparing healthy cells. ...

Protein injections in medicine

Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for causing the deadly Plague, use a special injection mechanism to deliver their poisonous contents into the host cell. ...

UN talks take aim at 'killer robots' (Update)

Armies of Terminator-like warriors fan out across the battlefield, destroying everything in their path, as swarms of fellow robots rain fire from the skies.