Here's an interesting little article about how European roboticists are developing two types of robots: symbiotic and self-replicating -- inspired by Stargate...
If you'd like to see a video, there's one on YouTube about the little fellas. They even mention the similarity to "legos" like Stargate's own first-generation Replicators! The video is provided under the cut:
Click to view
They haven't gotten very far, but according to
this article, "The TV show Stargate has inspired European researchers from 10 universities in the Symbrion program to create swarm robots."