A sand battery can keep Pornainen, Finland, toasty for up to a week in winter. Plus, UK physics facilities face a funding threat and examine MAHA health claims under the microscope.
27 July 2026
A sand battery can keep Pornainen, Finland, toasty for up to a week in winter. Plus, UK physics facilities face a funding threat and examine MAHA health claims under the microscope.
By
Flora Graham
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