In Iran on Tuesday, students and other protesters stormed the British Embassy in the capital Tehran, smashing windows, throwing firebombs and burning the British flag. The crowd had gathered at the embassy to protest new severe economic sanctions imposed by Britain, cutting off all banking with Iran. Renee Montagne talks with Washington Post reporter Thomas Erdbrink, who is in Tehran.
Imagine being able to access the Internet through the contact lenses on your eyeballs. Blink, and you'd be online. Meet someone, and you'd have the ability to immediately search their identity. And if your friend happens to be speaking a different language, an instantaneous translation could appear directly in front of you.
That might sound farfetched, but it's something that might very well exist in 30 years or less, says theoretical physicist Michio Kaku.