Ever want to build your own RC vehicle? You are in control of its design, and as simple to use a Lego. All you need is a Lego NXT, a computer with a Bluetooth dongle, and control software. This is a ...

Sixth-grader Diana Wu adjusted the angle of the NXT robot before launching it to hit a red ball onto a cardboard ski-ball course Sunday during a robotics skills demonstration. Fifth- and sixth-grade ...