What do you get when you get when you combine a fan and a scooter? If you said "Scooterfan," you should be ashamed. Really ashamed. The correct answer, clearly, is Fanscooter, the latest project from fighting robot builder / MIT engineering student Charles Guan, the guy who brought the world the similarly named and equally breezy Fankart last summer. What this new DIY vehicle lacks in the ominous ever-forward creep of its predecessor, it makes up in actual vehicular rideability, marking the return of Guan's HFF propeller -- the "h" stands for "holy" and the second "f" stands for "fan" -- which is posi