Robots fly and play musical instruments to a delighted crowd at the 2014 USA Science & Engineering Festival in Washington, D.C., on April 26.
Epoch Times was a media sponsor of the 2014 USA Science & Engineering Festival in Washington, D.C., April 26–27. The USA Science & Engineering Festival is a national grassroots effort to advance STEM education and inspire the next generation of scientists and engineers. See more articles on the USA Science & Engineering Festival.
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