The century-old Edison-Puton Monowheel
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The annual Cholmondeley Pageant of Power in the U.K. never fails to deliver something special and this year that exotic ingredient is a 1910 Edison-Puton Monowheel. Capable of being ogled by engineers for hundreds of hours at a time, the Monowheel was built in Paris in 1910, and bears testimony to human folly at its most ingenious.
There's something special for me about monowheels - those with gyroscopic balancers excepted. They look like they don't work, and they almost work practically, but not quite. They are however, a spectacle for the eye of any human with an interest in physics.
Despite the seeming obvious, the monowheel has been persevered with for well over 100 years as a viable solution to personal transportation needs. I dips me lid to the tenacity of the inventors, but without intelligent balancing, the monowheel is likely to remain a circus act as to me at least, it always looks like an accident about to happen.