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In One Ear: In perfect harmony

Tree decorating down to a science
By Elleda Wilson

The Daily Astorian

Published on December 8, 2017 12:01AM

’Tis the season: Britain’s University of Sheffield has invented treegonometry, the mathematics of creating a harmonious Christmas tree, a perfect balance of green and glitz. There is a mathematical formula involving square roots, pi and tinsel, but never mind, the university’s website offers a calculator (in centimeters) at However, the formula only tells you how much to add, not where to harmoniously place things. For that, you and the tinsel are on your own.


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