Nick Bilton

Graphene is the strongest, thinnest material known to exist. A form of carbon, it can conduct electricity and heat better than anything else. And get ready for this: It is not only the hardest material in the world, but also one of the most pliable.

Researchers there are trying to figure out what makes games addictive — and how we might use video games to make our minds stronger, faster and healthier.

Smartphones and tablets, with their flat glass touch screens and nary a texture anywhere, may not seem like the best technological innovation for people who cannot see. But advocates for the blind say the devices could be the biggest assistive aid to come along since Braille was invented in the 1820s.

The rules on when to turn off electronic devices on airplanes have long been a sour, and sometimes contentious, point for travelers. But faced with a surge of electronics on airplanes and under pressure from a growing number of tech-savvy - and increasingly tech-dependent - passengers, the Federal Aviation Administration recognized that change was inevitable.