Mathematicians and physicists might not be the first people you would think to consult about the perfect coffee.
But a team of researchers including Dr Jamie Foster, a mathematician at the University of Portsmouth, is challenging conventional espresso wisdom.
They have found that fewer coffee beans, ground more coarsely, are the key to a more consistent drink that is just as strong.
Reporter: Mike Apps
This article was originally published by Bbc.co.uk. Read the original article here.
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