Google Thinks These 18 Teenagers Will Change the World

The global finalists of this year’s Google Science Fair take on cyberbullying countermeasures, tar sands cleanup and wearable tech

Google hosts its fourth-annual science fair. Shown here, the 2013 winners. (Andrew Federman)

Pranav Sivakumar, 14, United States

(Pranav Sivakumar)

Pranav Sivakumar is a self-described astronomy buff. The freshman at Barrington High School in Barrington, Illinois, devised an algorithm to identify gravitationally lensed quasars in the Sloan Digital Sky Survey, the most detailed 3-D maps of the universe yet made. The algorithm speeds up the search considerably for researchers.


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