Robot swarm takes many shapes
Kilobots follow simple rules to take the form of a wrench and more
![swarm of Kilobots](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/08/scivis_feat_0.png?fit=860%2C460&ssl=1)
ALL TOGETHER NOW With a simple set of instructions, these Kilobots can assemble and form different shapes, without human intervention.
M. Rubenstein et al/science 2014