There's cool, and then there's geeky cool.  I think this is both.

Robots master reproduction
Andreas von Bubnoff
Modular machine assembles copies of itself in minutes.
 
Humans do it, bacteria do it, even viruses do it: they make copies of themselves. Now US researchers have built a flexible robot that can perform the same trick.

Cool, right?  What? I'm a geek?  Here, watch this video then tell me if it's cool.

For the full story, please check out the article at Nature.com.

"Sarah Connor?"