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 imagine ...

A line follower is a common project for anyone wishing to make a start in robotics, a small wheeled device usually with some kind of optical sensor which allows it to follow a line drawn on the ...

When Amazon introduced its home robot Astro earlier this year, it first showcased the robot following behind a person. It's a simple idea that has captured people’s imaginations with depictions in ...

Since 2017, the Vespa-maker Piaggio's Fast Forward division has been exploring a unique way to cut down on car trips: Building robots that can follow you around and carry your stuff. We called its ...