A video of the Mega-Wheelie (and a more recent unicycle design) is embedded just below the page break. And just for reference, here is some of [John]’s previous work on a self-balancing unicycle ...

Daniel Wood and David Martschinkse pitched their self-balancing electric unicycle on a Season 4 episode of "Shark Tank." What ...

to the stand-astride electric unicycles. These last machines have a bulky battery and controller box atop the wheel, and [Dycus] set his sights on this by transferring it to a backpack with the ...

Yes, the V13 requires both a physical and financial commitment, given its $3,299 price tag. If you're looking for an ...