Mark Shaw demos Ultra-Ever Dry, a liquid-repellent coating that acts as an astonishingly powerful shield against water and water-based materials. At the nano level, the spray covers a surface with an umbrella of air so that water bounces right off. Watch for an exciting two-minute kicker.
The Internet connects billions of people and machines; it’s the backbone of modern life. But tech pioneer Danny Hillis thinks the Internet just wasn’t designed to grow this big — and he fears that one big cyber-attack or glitch could shut it down and take civilization with it. To head off a digital dark age, … Read moreThe Internet could crash. We need a Plan B | Danny Hillis