TED - Why are airplanes slower than they used to be?

Why aren’t commercial flights getting faster?

In 1996, a British Airways plane flew from New York to London in a record-breaking two hours and fifty-three minutes. Today, however, passengers flying the same route can expect to spend no less than six hours in the air — twice as long. So why, in a world where everything seems to be getting faster, have commercial flights lagged behind?

Watch this interesting TED lesson and dig into the technological and environmental problems facing supersonic flight.

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