Perpetual Skislope
the hollow room writes: "How about skiing on a never ending slope? A story at New Scientist suggests that some fool is going to try to build one of these. Built like a huge tilted record player, it can spin at up to 30 km/h.
Any takers?"
...that it's all downhill from here.
Oh wait, that was steps...
"Scientists debated for weeks over whether 33, 45, or 78 rpm was the best speed for skiing"