You are not all that far off in some respects - take a look at the link on their page called - "What is smart dust and how is it used?" https://www.nanowerk.com

You are not all that far off in some respects - take a look at the link on their page called - "What is smart dust and how is it used?" https://www.nanowerk.com/smartdust.php https://www.nanowerk.com/smartdust.php