A year after Hurricane Sandy, recovery efforts are still ongoing, and questions remain about how to rebuild and prepare the coastlines for the next storm. A group of experts discusses rebuilding and protective options — from sea walls to "oyster-tecture" — and considers calls for a "managed retreat" from the shore.
Digital cameras are ubiquitous today — even $20 cell phones have them built in. But few people actually know how a digital camera works. Shree Nayar, a computer scientist at Columbia University, set out to change that with his Bigshot Do-It-Yourself Digital Camera kit, which gives tinkerers a view of a camera's anatomy.
In Einstein and the Quantum: The Quest of the Valiant Swabian, theoretical physicist A. Douglas Stone writes that whereas Einstein is best known for his theory of relativity, his truly revolutionary idea was the development of quantum theory — an idea that escaped many of the age's most brilliant minds.
Retired astronaut Chris Hadfield, author of the new book An Astronaut's Guide to Life on Earth, has flown three space missions, including 144 days on the International Space Station. Hadfield talks about life in zero gravity, his one fear while in orbit, and how he went from test pilot to astronaut.