Imagine you are at the movies and you see a Roomba-like robot climbing a wall or clinging to a ceiling ... layer of low pressure air in between the disk and the underlying surface.

Grab your backpacks and get ready to laugh! We're heading back to school with our countdown of the most hilarious and memorable sitcoms set in educational institutions. From elementary to college, ...

[Mike Li] is showing of his stair climbing robot. It’s a bot that cruises around ... In the foreground, strips of rubber-backed rug add some sticking power to the otherwise smooth surface.