None of the others in town have these, thought it was unusual enough to share
this post was submitted on 18 Dec 2023
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But what powers the wheels? Charged by spinning? What happens if they don't get used long and the wheel dies.
By spinning yes, they operate mostly passively and therefore last a long time, including by having terrible security to save battery life.
https://www.youtube.com/watch?v=iprBprAFXCk