The future is here. A flying man coasts through the atrium of the Ronald Reagan Building. He's using a hydrogen and nitrogen-powered jetpack. Smithsonian Magaine sponsored the event, which is part of a three day festival celebrating the future. They say that a federal clearance was required to fly the jetpack, just blocks from the White House. It's powered by a non-flammable and non-explosive mix of hydrogen peroxide and nitrogen that produce high-temperature and high pressure steam. No word on what the price tag on something like that might be...