A balloon lifts your hair, a doorknob zaps you in winter, and clothes cling out of the dryer — all the same thing: electric charge building up and letting go. This short course explains what charge is, why rubbing two materials moves electrons between them, why the shock is worse in dry winter air, and where static is quietly put to work (and where it's a hazard).
A balloon lifts your hair, a doorknob zaps you in winter, and clothes cling out of the dryer — all the same thing: electric charge building up and letting go. This short course explains what charge is, why rubbing two materials moves electrons between them, why the shock is worse in dry winter air, and where static is quietly put to work (and where it's a hazard).
