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.
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Videographic resconstruction of the Thai cave rescue. All 12 boys and their coach were brought out of the cave on Tuesday.
Videographic illustrating the route of the daunting Route du Rhum yacht race. The skippers set off on Sunday.
Ice hockey – which originated in Canada – is played between 2 teams on an ice rink. The objective is to score […]
SpaceX chief Elon Musk unveiled on Tuesday ambitious plans to establish a Mars colony by sending 100 humans at a time on […]