The UCSB scientists set out to design simple robots that could work together ... can switch from a "fluidizing" state to a more "solid" shape based on the rotational state of the robots.

3D shapes are not flat shapes, they are solid shapes like a football or an ice cube. What solid shapes do you see in the world around you? What are 3D shapes? Learn about 3D shapes and their ...

NARRATOR: This song is all about shapes. Not flat shapes like circles and squares, but solid shapes like cubes and cones. Let’s start with a cube. It’s difficult to make yourself into a cube ...