Summary

No matter how long you've been around tech, some gadgets can still feel magical. Consider the self-balancing systems in PEVs like Segways, Onewheels and electric unicycles. You wouldn't think that a gyroscope could keep a person upright at 40 mph, yet the proof is out there on the streets. The best ereaders may not be as dramatic as that — nevertheless, it's counterintuitive that an e-ink tablet can display an image indefinitely.

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