A resistor in the cloud is worth two in the hand.

Seventeen-year-old Vishnu Kannan’s love for math and problem solving led him to become the founder of a tech startup, which he recently sold for $2 million in stocks.

“Until we get equality in education, we won’t have an equal society.” Spoken by Sonia Sotomayor, associate justice of the U.S. Supreme Court, the words echo sharply across regions of the world where ...