Going out is no excuse for not doing the housework, says South Korean company Yujin Robot. It is launching a vacuum cleaning robot that you steer around your home using the keypad and video screen of a 3G cellphone. In “sentinel mode”, the robot doubles as a burglar alarm: sensors detect when something moves in your house – and it sends a text to warn you of the intrusion. A speaker on the robot then lets you shout at the burglar through the phone.
Technological trickle-down is benefiting London’s firefighters. Robots that defuse roadside bombs in Iraq have been equipped with…
