Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagi… ...

There are always a few high-tech toys on display at the Consumer Electronics Show in Las Vegas, and this year is no exception. Perhaps the most charming is Ozobot, a tiny robot that follow lines ...

As a line following robot, the performance is pretty crummy. However, as a robot programmed by an AI, it does pretty okay.