That is because the hair strands have the same electrical charge, and you know that like-charges repel. The solution to this problem is simply to wet your hair or to apply some hair spray. There are also anti-static sprays that eliminate the problem. Controlling static dangers There are places where static electricity can be a danger or hazard. Sparks can ruin your computer or cause an explosion.
Lightning can damage a building.
There are ways to control these dangers. Use ground when working on computer On a day when there is a lot of static electricity, it is possible to touch your computer or its keyboard and cause a spark to fly. This can be harmful to your computer, because the spark can send a charge through your computer that can damage its electronics. Since the keyboard is usually a non-conductor, sending a spark shouldn't be that much of a problem. But on a day when there is a lot of static is in the air, and when I am sparking the doorknobs, I want to play it safe with my computer.