Invisible ink made from germs? Seeing is believing
Building the world’s largest cruise ship
Dubai’s record-shattering new bridge—built on shifting sand
An invisibility cloak that hides ships from sonar
Overhauling the Olmsted Locks and Dam
The Bay Bridge’s new earthquake-resistant design shakes up the world’s architecture scene
Two engineers explain how they’re going to bike across the Atlantic
Do the twist with the world’s first bendable TV.
South Korea’s Songdo International Business District isn’t just the largest planned community in the world, it’s also one of the greenest. The massive undertaking includes eco-friendly waste and transportation systems, the tallest high-rise in the country and dozens of LEED-certified buildings. Here’s how they did it. BY JACQUELINE DETWILER