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Written by Rachael Vorwerk Inside a small sample of powder, there hides a gigantic secret. In just a teaspoon of the stuff you’ll find the entire surface area of a football field. It sounds like something from Back to the Future, but for CSIRO scientists it’s the norm.

It’s Australian footy finals season, and millions of eyes around the country are focused on the football field. Now imagine the area of that football field and fold it in half. Keep folding and folding until it’s small enough to sit in a spoon. Sounds impossible, right?