Check out smart sand, the tiniest modular robot

Wouldn't it be awesome if you could stick a small item into some sand and then outcomes a larger copy of that item. Well if so, then thank the people at MIT for developed this kind of modular robot. They call it, "smart sand," for obvious reasons. For example, each cube is capable of combining with other cubes via magnets and tiny signals to create a perimeter copy of the object. The magnets help them stick and the signals help them find each other. When that is completed, they then surround the perimeter and fill it in with more blocks. As a result, the object's clone is born. Thanks for reading and for further facts and info, please check out the video above!