Move over Michigan Mighty Mite and Mate for the Mighty Midget. There's a new M^3 in town. And it is SMALL. Hack-A-Day had an article on this today, and while it seems only tenuously connected to ham radio, I found it intriguing. Check it out. Who knows, someday people may be operating
in "dust mode": https://hackaday.com/2021/10/04/snails-sensors-and-smart-dust-the-michigan-micro-mote/#