That little square on the finger in the image, is actually a total of 64 micro motherboards, each containing two of…

That little square on the finger in the image, is actually a total of 64 micro motherboards, each containing two of these microchips.

Each chip is as powerful as a 1990s x86 CPU and powered by a photovoltaic cell.

Also – check out the most likely usage context for the chip in this IBM video: “Crypto-anchors and blockchain technology will ensure a product’s authenticity — from its point of origin to the hands of the customer.”
https://www.youtube.com/watch?v=LUFWk55w5o0

https://www.theverge.com/circuitbreaker/2018/3/19/17140116/ibm-worlds-smallest-computer-grain-of-salt-solar-powered

https://www.theverge.com/circuitbreaker/2018/3/19/17140116/ibm-worlds-smallest-computer-grain-of-salt-solar-powered

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