The future is here.<br/> <br />A flying man coasts through the atrium of the Ronald Reagan Building.<br/> <br />He's using a hydrogen and nitrogen-powered jetpack.<br/> <br />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.<br/> <br />It's powered by a non-flammable and non-explosive mix of hydrogen peroxide and nitrogen that produce high-temperature and high pressure steam.<br/> <br />No word on what the price tag on something like that might be...