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17 September 2014updated 24 Jun 2021 12:58pm

How many bricks would it take to build a Lego bridge connecting London to New York?

An extract from What If? Serious scientific answers to absurd hypothetical questions by Randall Munroe, the creator of the wonderful web comic xkcd.

By Randall Munroe

Q. How many Lego bricks would it take to build a bridge capable of carrying traffic from London to New York? Have that many Lego bricks been manufactured? – Jerry Petersen

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