James Bruton is a serial crazy-contraption inventor, from a Lego longboard to a self-balancing mecanum-wheeled "Screw bike." ...

His solution to balancing the bicycle was a reaction wheel that keeps the bicycle upright at all times. A bicycle is basically an inverted pendulum; something we’ve seen controlled in a number ...

Take a look at the unicycle transport vehicle by designer Regimantas Vegele, which combines the motion of an eliptical excercise machine with a unicycle to create one rather unique contraption.

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