Lightning is a huge spark of electricity. It strikes when an electric current is able to travel through what would normally be an insulating material, in this case the air.
You may also like
Videographic locating the site of a fatal train crash near Turin in northern Italy.
SpaceX chief Elon Musk unveiled on Tuesday ambitious plans to establish a Mars colony by sending 100 humans at a time on […]
Videographic explaining how different tennis court surfaces can affect game play.
Videographic on the Voyager mission. NASA says Voyager 2 has passed into interstellar space.