Martyn WilliamsSenior Correspondent, IDG News Service

Martyn Williams covers technology news in text and video for PC World, Macworld and TechHive and is based in San Francisco. He previously worked for IDG News Service as a correspondent in San Francisco and Tokyo and has reported on technology news from across Asia and Europe.

Sony's QX10 lens camera (3)

Hands on with Sony's QX10 lens camera

Sony unveiled a pair of lens cameras -- the higher-end QX100 and the smaller but farther-zooming QX10 -- at this week's IFA show in Berlin. We spend some hands-on time with the QX10.

Toshiba prototype 4K TV

Toshiba shows prototype 50-inch 4K TV

A 50-inch TV is still pretty large, but the prototype Toshiba is showing off at the IFA show in Berlin is the smallest 4K set yet seen.

Apple OKs pre-teen iTunes accounts upon school request

Apple is allowing children under 13 to have their own iTunes accounts as part of a new push coming later this year to increase the use of its iPad in education.

Thymio educational robots introduce kids to robotics

Thymio robots from Switzerland feature a graphics programming language that can help children engage with robotics, and also offer them the chance to get their hands dirty with code

Turtlebot II robot uses Xbox Kinect to follow you with drinks

The Turtlebot II robot is a robotics development platform running the ROS open source robot OS. Within minutes, users can get the robot to move, follow them around and map their homes, the makers say.