Tiny, Wireless, Injectable Chips Use Ultrasound to Monitor Body Processes

 See here, here, here, here, and here for past articles with ultrasound. 

Date:

 May 11, 2021

Source:

 Columbia University School of Engineering and Applied Science

Summary:

 Researchers report that they have built what they say is the world's smallest single-chip system, consuming a total volume of less than 0.1 mm3. The system is as small as a dust mite and visible only under a microscope. In order to achieve this, the team used ultrasound to both power and communicate with the device wirelessly.

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