An Australian man built up a 40,000-volt charge of static electricity in his clothes as he walked, leaving a trail of scorched carpet and molten plastic and forcing firefighters to evacuate a building.

Frank Clewer, who was wearing a woolen shirt and a synthetic nylon jacket, was oblivious to the growing electrical current that was building up as his clothes rubbed together. —Power-dressing man leaves trail of destruction (Reuters|My Way)

Behold the power of friction.