COMPUTER & ELECTRONICS
Amid a flurry of text and e-mail alerts, designers tend to forget something critical about smartwatches: They still need to show the time. LCDs wash out in the sunlight, and e-ink is blank in the dark. The Qualcomm Toq’s Mirasol display is the only full-color one that’s always visible. Each pixel is a tiny glass pane; as charge moves through the screen, the pane moves to reflect different ambient light wavelengths—red, blue, or green—to the viewer. An LED provides the necessary light when it’s dark.
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