A few days ago I noticed that bubbles floating on my dirty washing-up water had somehow arranged themselves into a perfect formation. Each bubble was exactly the same size, and as they stuck together they formed a perfectly regular matrix. I鈥檝e posted some photographs here: .
My first theory was that a sieve or grater might have filtered the bubbles, but I have been unable to repeat the appearance. Any theories out there?
Alan Bradshaw, Bradford, West Yorkshire, UK
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