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 explaining hamstring injuries, a common problem for footballers. Part of an AFP series of videographics for the 2014 World Cup in […]
The Grace-FO satellites, set to be launched next week, will monitor how large bodies of water move around the Earth.
Videographic resconstruction of the Thai cave rescue. All 12 boys and their coach were brought out of the cave on Tuesday.
Videographic on security in stadiums, ahead of the World Cup in Russia.