Researchers have used Einstein’s theory of relativity to figure out the most efficient way for passengers to board an airplane.

And they have concluded that the time honored method of boarding by seat numbers is a waste of time.

Dr Eitan Bachmat, of Ben-Gurion University of the Negev in Israel, says airlines would be better off following the example of low-cost carriers who let passengers sit where they like.

Dr Bachmat said: "Back-to-front boarding is bad because it is designed for cardboard-thin passengers, or for the spacious surroundings of the first-class compartment.

"But there is no need to play with the rows. It doesn’t matter which rows get on first."

Dr Bachmat stumbled accross the theory when researching how to make computers run quicker.

He said: "It dawned on us that we could use the same geometry that appears in relativity theory."

More here.

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