Kelly Slater, a supernaturally talented pro surfer from Cocoa Beach, Florida, has reinvented virtually every aspect of high-performance surfing. “his competitive statistics numb the brain” world champion Shaun Tomson said of Slater,…
In the 15th century, Leonardo da Vinci experimented with various devices to improve the human physical condition: wings, vehicles and swim fins. At the same time, Hawaiians were leaving petroglyphic records of…