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Did you solve it? Do you have the brain of an engineer?
The Guardian UK
September 14, 2026
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<p>The answers to today’s puzzles</p><p>Earlier today I set four engineering puzzles. Here they are again with solutions. (Do check out <a href="https://www.theguardian.com/science/2026/sep/14/can-you-solve-it-do-you-have-the-brain-of-an-engineer#comments">the hundreds of gre
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