There's no question about it, McDonald's is the most successful restaurant in the history of the world. The company isn't ...

The picker apparatus is the “standard” needle-plus-aquarium-pump design, and the rails are made from angle aluminum and skateboard bearings. Yeah, yeah, yeah. It’s not a robot. But sometimes ...

He mentions you could use the bubbler pump from an aquarium, but assuming a worst ... For a slightly more robust solution, why not build a mini HHO torch? NOTE: Slightly more dangerous.