lightning_hitting_eiffel_tower.jpg | Naked Scientists

Each lightning flash is about 3 miles long but only about a centimetre wide. It discharges about 1-10 billion joules of energy and produces a current of some 30,000 - 50,000 amps, which heats the surrounding air to over 20,000 degrees Celsius, three...

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http://upload.wikimedia.org/wikipedia/commons/d/d7...

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