In 1999 the Indian physicist Sugata Mitra got interested in education. He knew there were places in the world without schools and places in the world where good teachers didn’t want to teach. What could be done for kids living in those spots was his question. Self-directed learning was one possible solution, but were kids living in slums capable of all that much self-direction? At the time, Mitra was head of research and development for NIIT Technologies, a top computer software and development company in New Delhi, India. His posh twenty-first-century office abutted an urban slum but was kept
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