“How a 19-year-old hacker behind Oculus Rift set out to invent a gaming headset but ended up reviving a dead technology and building a global communications platform, worth $2 billion to Facebook.” Time’s Lev Grossman on the virtual genius of Oculus Rift.

+ “I really didn’t think about it becoming as successful as it is. I made it just as a weekend project. It was a way to pass some time.” So said the 19 year-old creator of the most popular app in Apple’s App store.

+ Ann Makosinski designed a flashlight that can be powered by the body heat in your hand. And she’s in high school.