PopSci editor Theodore Gray decided to make salt the hard way using sodium and chlorine. Basically, “when these chemicals meet, they react in a fierce ball of spitting fire and clouds of white smoke.” Video after the jump.
As a way of salting popcorn, though, this kind of salt synthesis is pretty out there. The salt is very fresh, but the hazards of blowing pure chlorine into a bowl of liquid sodium are very real. Seconds after this picture was taken, the net melted, dropping popcorn into the bowl and sending a shower of flaming liquid sodium balls in all directions