A self-erasing chip for security and anti-counterfeit tech – Phys.org

Self-erasing chips developed at the University of Michigan could help stop counterfeit electronics or provide alerts if sensitive shipments are tampered with.
They rely on a new material that temporarily stores energy, changing the color of the light it emits. It self-erases in a matter of days, or it can be erased on demand with a flash of blue light.
“It’s very hard to detect whether a device has been tampered with. It may operate normally, but it may be doing more than it should, sending in…

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