The USA Science & Engineering Festival is a bi-annual science festival held in Washington, D.C. Founded in 2010 by Larry Bock, the festival is the largest celebration of science, technology, engineering, and mathematics (STEM) disciplines in the United States.

The two-week festival ended with a two-day expo on the National Mall that featured over 500 U.S. science organizations. The list of exhibitors included universities, colleges, high school science clubs, student organizations, research institutes, informal science outreach organizations, community organizations, professional science & engineering societies, life science and high tech companies, and other types of science organizations.  About 500,000 people reportedly attended the event.

The mission of the USA Science & Engineering Festival is to stimulate and sustain the interest of our nation’s youth in science, technology, engineering, and math (STEM) by producing and presenting compelling, exciting, and educational STEM events and programs.

According to en.wikipedia; Source of photo: internet