World’s smallest computer, measuring in at just over one cubic millimeter, this miniscule microprocessor was designed as an implantable eye pressure monitor for glaucoma patients. You may think something this size would have to scrimp on the hardware, but modern nanotechnology allows the computer to contain a microprocessor, pressure sensor, battery, memory chip, and a tiny antenna that allows it to transmit data to a reader device placed near the eye.
The system takes 15 minutes to collect pressure data and requires 10 hours of indoor light or an hour and a half of sunlight to recharge its battery. This opens the door for millimeter-sized systems in the future with all sorts of applications. Nanotechnology such as this could be used for constant monitoring of other body parts, the environment, or for making virtually any item ‘smart‘ and thereby traceable!
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