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NASA invented wheels that never get punctured
(www.zmescience.com)
This is a most excellent place for technology news and articles.
They keep calling it lightweight but aren’t saying what that weight is. It’s gotta be in the ballpark of a rubber tire to really be viable, so I’d say 4lbs at the absolute top end. More than that and it may reduce rolling resistance while shooting itself in the foot with the added rotational mass.