This is the case with [Penguin DIY]’s tiny centrifugal water pump built from 5 ml syringes. The pump is powered by a small 8 mm diameter brushed DC motor, likely the same type that is used for ...

The drill is put into a hole filled about 60% with water. An air compressor pumps air into the drill pipe that mixes with the water already in the drill stem. The water inside the pipe is lighter ...

Manatee County held a meeting to discuss whether or not to add fluoride to the water, and Pinellas County had a similar discussion with public comments allowed. Hawaii's Kilauea volcano entered ...