Nothing’s worse than walking out to your car and spotting a fresh scratch that definitely wasn’t there before. Sometimes it’s your own doing—brushing a little too close to a low-hanging branch. Other ...

Scratching is the term used to describe the resistance of a solid body to penetration by an edge or protuberance on a second body that is traveling along its surface, and is typically equated with a ...

On January 2, our group at the MIT Media Lab introduced a new generation of Scratch, called Scratch 3.0. Much has changed since we introduced the first generation of our Scratch programming language ...