stargate stories

 
This awesome homemade Stargate was built by a father and son in Australia out of wood, coat hangers, tubing and styrofoam. The gate actually spins, and they also created a video that adds a working puddle to the whole thing.
 
Researchers at Cornell University in New York have created robotic cubes that can create copies of themselves in under three minutes which, surprisingly, the scientists purport are simple machines. Self-replicating robots are simple? That's because that's all the cubes do...