Computers are getting smaller and smaller. But what if we had sensors the size of dust, that could float through the air undetected, talk to one another, gather information, and transmit that information back down to a central place? This is the concept behind smart dust, and it's more plausible than you might think.
Amy Webb, quantitative futurist and founder of the Future Today Institute
Faine Greenwood, journalist and drone expert
Stacey Higginbotham, journalist,...