 Hey man, ready to go? Let's do this! It's part human and part computer. This printer takes the school plastic, runs it through this device called extruder. This is a model of a carbon nanotube, where each of these white balls represents a carbon atom. When I approach him, he turns red. I'm here with a bi-pedal Atlas robot. When I pass in front of the star, you can't see my features, but you can see my outline, and that's how you know I'm there. At the front of the turbine engine is an intake fan. The ball's balance is determined by both its material and temperature. This is a piston engine that's been cut into a half so you can look into it. Which pull open all of his chromatophores at the same time. And that's the definition of a horsepower.