Why is October 9 Nano Day? (And what does it have to do with scientific notation?)

Happy Nano Day, Everyone! Though you might be looking at me weird if you use the dd/mm dating system, tomorrow (10/9 in the U.S.) is the day to celebrate the scale that’s minuter than micro and more prodigious than pico. So what is Nano Day? Nano Day, or National Nanotechnology Day, is a celebration started …