The Best Inventions of 2021
November 10, 2021 6:11 AM EST

Former Ferrari designer Andrea Mocellin knows how to make things move fast. Now he’s applying his skills to an even more gratifying project: building a better, more travel-friendly portable wheelchair. The Revolve Air’s hexagonally structured, puncture-proof wheels fold up, allowing the chair to take up 60% less space than a standard folding wheelchair, so it fits in an airplane’s overhead compartment. Mocellin’s next speed challenge: getting the Revolve Air (from $2,500) out by mid-2022 to the nearly 12,000 customers on his waiting list. “Basically, they’re telling me, ‘Do it as soon as possible, because we need it,’” Mocellin says. —Jesse Will

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