Guru Madhavan

Our world is filled with pernicious problems. How, for example, did novice pilots learn to fly without taking to the air and risking their lives? How should cities process mountains of waste without polluting the environment? Challenges that tangle personal, public, and planetary aspects—often occurring in health care, infrastructure, business, and policy—are known as wicked problems, and they are not...

After the Wright brothers helped America "find her wings," the early days of aviation were fraught with disaster. That is, until 1929, when Ed Link invented the flight simulator, which allowed pilots to train on the ground. Dubbed the "blue box," the Link Trainer forged over half a million Allied Force pilots and revolutionised aviation. Link's later work—from the Apollo...