for which george smoove received the nobel prize. you know if this experiment proved that the universe has irregularities are. in keeping with this month's aviation theme we travel to the quiet town of. to see a world where pot is lost up to five times longer and scientists play with planes to make our lives. on top in the long. haul some may already have come to china or go off on the swiss so migrating south but that doesn't mean that the scientists have gone to hibernation. in fact the latest innovation is just about to take off here at the institute of problems of chemical physics from the outside it may look like we're a group of boys with the toys but this was inside this plane that matters this is the first plane in bushes to be powered soley by hydrogen fuel cells could fly for ninety minutes on a lithium polymer battery which may not seem that bad insides have been replaced they can stay in the air for almost eight hours. as well as being able to fly longer hydrogen fuel cells of other benefits over batteries or combustion e