Sand has the added benefit over graphite of being nonflammable. | Hacker News

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zizee on April 5, 2024 | parent | context | favorite | on: US Government funds pilot project for heated sand ...

Sand has the added benefit over graphite of being nonflammable.

datameta on April 5, 2024 [–]

Sand will also benefit from greater insulation due to lower packing efficiency and therefore more air.

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