President Barack Obama made some waves and warned the robots at the White House Science Fair on Monday, but it was the elementary-school Supergirls who captured his science-loving heart. Wearing red capes over their Girl Scout uniforms, the 6-year-olds from Tulsa, Oklahoma, showed off a page-turning robot, made from Lego blocks and designed for use by disabled people. Later, Obama confessed he was tickled by the kids’ command of techno-lingo. “This is a quote. They said, ‘It’s just a prototype,'” he recalled.
As the president toured the three dozen exhibits, he splashed water in a wave tank to demonstrate how a lakeside power-generating system works, and got the lowdown on the science behind the show. “What’s the concept behind the algorithm?” he asked Anvita Gupta, a 17-year-old junior from Scottsdale, Arizona, who came up with software that looks for potential new drugs to treat cancer, Ebola and other diseases.
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