We’ve been jealous of Harry Potter’s invisibility cloak since The Sorcerer’s Stone. Now scientists can make an invisibility cloak in 15 minutes with Teflon. We’ll never get our Hogwarts acceptance letter, but this is pretty close.
“Glenn Greenwald, the journalist who first reported on a trove of classified documents leaked by Edward J. Snowden, will write a book about National Security Agency surveillance,” reports Julie Bosman. But then, of course, the NSA probably knew about this already.