• Joshua Silver
• Atomic physicist, optical innovator

• Speaking at TEDGlobal 2009
• July 2009
• Oxford

Josh Silver demos adjustable liquid-filled eyeglasses : Josh Silver delivers his brilliantly simple solution for correcting vision at the lowest cost possible -- adjustable, liquid-filled lenses. At TEDGlobal 2009, he demos his affordable eyeglasses and reveals his global plan to distribute them to a billion people in need by 2020.