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A substance that looks solid can actually behave like a liquid. Bitumen looks and feels solid at room temperature. You can hit it with a hammer and it might shatter like glass, but scientifically, bitumen is not a true solid, but a very viscous liquid.
The interesting story of the world’s slowest experiment that lasted a century
A substance that looks solid can actually behave like a liquid. Bitumen looks and feels solid at room temperature. You can hit it with a hammer and it might shatter like glass, but scientifically, bitumen is not a true solid, but a very viscous liquid.