It pours like a liquid but maintains its shape like a solid. Jack Andersen/Stone via Getty Images Rae Robertson-Anderson, University of San Diego Curious Kids is a series for children of all ages. If ...

Not flat shapes like circles and squares, but solid shapes like cubes and cones ... A boy with a magnifying glass starts to sing. Images of other cubes appear as they are mentioned in the song.

Solids, like metals or crystals, have fixed structures. Granular materials, like sand or rice, are made up of individual particles that can move freely. PAMs, however, straddle the line between ...

As a collective, the robots behaved like a material that could change shape and switch between solid and liquid states, just like the T-1000. The T-1000 was a marvel to behold, but the movie gave ...