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...