PETER Venkman trapped ghosts with it.
Wikus van de Merwe (unwillingly) exploded a prawn with it.
And that's perfectly acceptable, because every kid who's been caught probing a socket with a fork learns the hard way that Electricity Is Dangerous.
But can you fight fire with it?
Yes, say a group of researchers from Harvard University.
In fact, it's actually a concept that's been kicking around for some 200 years that, for no particular reason, simply hasn't been developed.