What do you get when you combine a Tesla coil, 315 film canisters and a fortune wheel? The answer is of course a film canister Gatling gun. [ScienceBob] has taken the simple film canister cannon ...

Looks like another shot has been fired in the simmering Coil Gun Control War. This time, [Great Scott] is taken to the discrete woodshed with a simplified and improved control circuit using a ...

Scientists at the University of Padova in Italy have built a residential heat pump prototype that utilizes an air-finned coil heat exchanger or photovoltaic-thermal (PVT) solar collectors as the ...