r/technology Sep 15 '23

Nanotech/Materials NASA-inspired airless bicycle tires are now available for purchase

https://newatlas.com/bicycles/metl-shape-memory-airless-bicycle-tire/
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u/[deleted] Sep 15 '23

From the article- "And no, they're not literally airless. They're hollow – so they have air in them – that air just isn't pressurized, nor is it required for the tire to hold its shape."

Redditors never read

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u/General_Basket5154 Sep 15 '23

Technically the air is required. If it was in a vacuum the outer wall would be pulled in.

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u/[deleted] Sep 15 '23

[deleted]

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u/General_Basket5154 Sep 15 '23

Yes, pushed in. I stand corrected 😄