E-ink has long been used on electronic book readers, such as the Amazon Kindle, because it’s a low-power way to create a high-resolution display. By sending an electrical signal through the material, the design can change to show the next page of a book. In 2022, BMW adapted the technology to create color-changing paint for the exterior of its iX Flow concept, and the automaker has continued to refine the idea since then, with plans to offer the feature on production vehicles eventually.
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