BBC News – Tedium, tragedy and tar: The slowest drops in science

This is an interesting article about the famous ‘pitch drop’ experiments, where pitch (bitumen) is passed very slowly through a funnel and the frequency of drops is measured over a period of many years. Such slow experiments may seem more of a novelty than anything, but the researchers behind them are adament that they’re essential for understanding the physics behind liquid glasses, and the waiting is time well spent.


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