Robots are super interesting, but you probably shouldn’t start learning about them with a full-sized industrial SCARA arm or anything. Better to learn with something smaller and simpler to understand.

In crowded environments, more robots don’t always mean faster results—in fact, too many can bring everything to a standstill.

Despite fears that robots will conquer the world, they currently, with a few exceptions, often have problems with basic tasks such as opening doors or climbing stairs. Now, in a new study appearing ...