But not nearly as cool. 
Indeed.
you can buy unicycles like the commuter or crusier which go about 15mph
… sex burns more calories and is more fun 
That’s when lvl 11 stuff is incorporated.
It was today in Sacramento, where it was about 109!
But down in Key West you have a different kind of sweat-machine: humidity!
I think smooth unicycling is less energy-intensive than walking. This is based on the vast majority of your body weight going in a straight line, with very low friction as you pedal. When walking, you actually lift your body up and down a few inches with every step.
But a bicycle is more efficient than a unicycle. They’re just not as interesting.
Be sure you don’t have long shoe laces that might get caught on a crank or wrap around a pedal. If your shoe laces are long, it is a good idea to tuck them into your shoes. This is the voice of experience.