Sometimes the oldest technologies need a revamp. Bearings have been with us since machines were invented, but have largely kept the same design: rolling speres between two concentric rings, separated by a retainer to keep them from rubbing together. But it turns out that a simple tweak eliminates the need for the retainer, while reducing friction tenfold:
Right now this new bearing design is just a prototype. This DigitalTrends article provides more details about its development.
That's all for this week — have a great weekend!
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