Does Mary Poppin's theory of flight actually work? Watch skydiver/adventurer Erik Roner bring the supercalifragilisticexpialidociousness into the skies. Who doesn't want to float down from the sky while holding an umbrella wihout a care in the world? Well, Erik Roner wanted to. So he got an umbrella, strapped it to a hot air balloon and jumped. Here is his (not so) magical descent.