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The Guardian - UK
The Guardian - UK
Lifestyle

Why do shoelaces always end up different lengths?

Untied shoelaces. Nike trainers with laces undone, anonymous
Is there a physical Law of Shoelaces? Photograph: Sarah Lee for the Guardian

Why does a shoelace gradually move from equal lengths to one side being longer than the other?

John Gresham, Waterloo, Merseyside

• Post your answers – and new questions – below or email them to nq@theguardian.com. Please include name, address and phone number.

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