Diamonds are forever, but how about helium? (IMAGE)

University of Tokyo

Diamonds are forever, but how about helium?

Caption

The diamond anvil crushed iron and helium together under conditions mimicking those inside the Earth, to create a new compound. These compounds remained stable when pressures were reduced. Further analysis confirmed helium’s incorporation into iron’s crystal lattice.

Credit

©2025 Hirose et al. CC-BY-ND

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CC BY-ND

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