University of Michigan engineers reported that their new self-erasing chips could help stop counterfeit electronics or provide alerts if sensitive shipments are tampered with. The chips use a new material that temporarily stores energy, changing the color of the light it emits. The self-erase period takes seven days, or users can erase the chip on demand with a flash of blue light.

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Our Question of the Week: Will Self-Erasing Chips Catch On?

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