Though not a particularly common sight, wheeled robots with tablet-like screens that allow people to be in two places at once have been around for a long time. But, useful as they are, they can be ...

Some combinations of material and machine just don't sound right, such as a wooden airplane the size of a jetliner (the Spruce Goose) or an airship full of extremely flammable gas (the Hindenburg).

What would people do if they saw a tiny, lost cardboard robot rolling through Central Park? Well, one New York based student decided to find out. Enter the Tweenbot, a simple little thing only capable ...