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Science/Tech / The Hindu

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Nanometre tank of helium reveals weird waves never seen before

When cooled to just a few degrees above absolute zero, helium becomes a superfluid: it can flow without any friction or viscosity. This means an ultra-shallow film of superfluid helium just a few nanometres thick can move freely without getting stuck. This is impossible for any normal fluid

29 Oct 2025 3:02 pm