Have you ever thought about how great it is that we have these devices which make us get to places? Just think about all those millions of years people had to walk or run everywhere before cleverly inventing the wheel. But yes, there is also a down side to this: the modern man only gets into a car and gets out of it, no actual movement is done by us – what was invented to help mobility, is beginning to reduce it.
But there is an ingenious use of wheels which provides us with a transportation device and also lets us make a little effort and sport while at it. (more…)











