Wave carpet delivers power potential to coastal communities
Mechanical engineers in California are developing technology to harness the energy of coastal waves and ultimately, provide entire cities with limitless renewable energy and clean drinking water. Called the wave carpet, it's a system attached to the sea floor that generates power by rising and falling with the waves. Ben Gruber has more.
Returning to Chile's top job after a spell with the United Nations, Michelle Bachelet heads a coalition that ranges from moderate leftists to communists. Rough Cut (no reporter narration).
Science fiction becomes reality at CeBIT, the world's largest tech fair in Germany. As Sonia Legg reports humanoid robots were the star attractions along with new ways to protect authentication.