By any measure, the Pythagorean theorem is the most famous statement in all of mathematics, one remembered from high school geometry class by even the most math-phobic students. Well over four hundred proofs are known to exist, including ones by a twelve-year-old Einstein, a young blind girl, Leonardo da Vinci, and a future president of the...

“Enough with speculation about our digital future. Infinite Reality is the straight dope on what is and isn’t happening to us right now, from two of the only scientists working on the boundaries between real life and its virtual extensions.”
—Douglas Rushkoff, author of Program or Be...

In the award-winning AMC television series Mad Men, set in the early 1960s, a mysterious and massive machine shows up one day in the offices of the advertising agency Stirling Cooper. The machine is a Xerox photocopier, and the workplace is about to change forever. Previously, document duplication was done with a mimeograph, a hand-cranked...

The search for electronic materials that can be cheaply solution-processed into films, while simultaneously providing quality device characteristics, represents a major challenge for materials scientists. Continuous semiconducting thin films with large carrier mobilities are...

One day,Erica and her husband took the kids out for ice cream, and she noticed a big advertisement hanging above the counter. It said, “Bring in your digital photographs. We’ll put them on ice cream cakes.” She found the manager and asked what was involved. “It’s simple,” she said. “Just bring...