Jim Henson, creator of the Muppets, thought in images, as this clip from his early 1960s piece "Cat and Mouse" exemplifies. Henson's prolific mind is celebrated in the new Smithsonian traveling ...

Built to challenge a cat, or perhaps merely to tease it, Sourino is a robotic mouse built with common off-the-shelf parts. A test subject appears unamused. So named for the combination of Souris ( ...