From NISE Net:

NanoDays, a nationwide festival for educational programs about nanoscale science and engineering and its potential impact on the future, will run from March 29 to April 6 at institutions across the country. NanoDays events are organized by participants in the Nanoscale Informal Science Education Network (NISE Net) and take place at over 200 science museums from Puerto Rico to Hawaii. NanoDays engages people of all ages in learning about the emerging field of nanotechnology. The NISE Net website has more information on individual participants and documents summarizing reports submitted by NISE Net partners following annual NanoDays events.