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      Show Description
      tomorrows hero inna braverman_00011519.jpg

      Inna Braverman is harnessing the power of waves

      • About Tomorrow's Hero

        Tomorrow's Hero is a series profiling young innovators transforming the world for a brighter future. Read more about CNN's special reports policy.

      Changing the world of tomorrow, today 

      • Nineteen-year-old Angad Daryani in a workshop at the Georgia Institute of Technology with his prototype air filter.

        Angad Daryani wants to filter pollution from city air

      • tomorrows hero benjamin tee_00010021.jpg

        Benjamin Tee is creating electronic skin so robots and prosthetics can feel

        • Leroy Mwasaru is using human waste to generate biogas

        • tomorrows hero krtin nithiyanandam_00003623.jpg

          Krtin Nithiyanandam wants to test for Alzheimer's before symptoms exist

        • BARCELONA, SPAIN - FEBRUARY 21:  Founder and CEO of Facebook Mark Zuckerber gives his speach during the presentation of the new Samsung Galaxy S7 and Samsung Galaxy S7 edge on February 21, 2016 in Barcelona, Spain. The annual Mobile World Congress will start tomorrow February 22 hosting some of the world's largst communication companies, with many unveiling their last phones and gadgets.  (Photo by David Ramos/Getty Images)

          20 world-changing inventions from under 20s