In case you're a little like me and the prospect of bike commuting in a densely urban environment seems slightly intimidating, you might be in luck. In the future, you'll be able to slide into a human-sized plastic tube, recline and pedal yourself to work along a monorail system. Yes. Really. The idea for a human monorail stemmed, unsurprisingly from a recreational setup in Rotorua, New Zealand. There, visitors could get into a velodrome racetrack consisting of clear plastic pods that move forward with recumbent cycling. Participants can pedal madly against each other, trying to win the adventure ride. Now...