A bizarre discovery has revealed that cold helium atoms in lab conditions on Earth abide by the same law of entropy that governs the behaviour of black holes.

The law, first developed by Professor Stephen Hawking and Jacob Bekenstein in the 1970s, describes how the entropy, or the amount of disorder, increases in a black hole when matter falls into it. In particular, it explains that entropy only increases when the surface area of the black hole changes, not the volume. It is like measuring how many files there are in a filing cabinet based on the surface area of the drawer, rather than how deep

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