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I built an Ultrahuman smart ring by hand. Here's how they're made
During an Ultrahuman factory tour, they walked us through every step to make a smart ring. It was surprisingly fun and deceptively simple.
These components are mass-producible — an engineer suggested one machine could produce 10,000 PCBs in a day — and made of fiberglass, polyamide, and ceramic materials, chosen to make them bendable enough to slide naturally into the rounded ring shape. (Image credit: Michael Hicks / Android Central)If you've been paying attention, you'll note that I couldn't make a smart ring from start to finish during this tour. Because American labor costs are higher than in their Indian facility, they're looking to make the process more efficient; for example, they found a new casting machine that would inject resin into four times as many rings at once, breaking open that bottleneck in the factory line.
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