be glad

be glad

be glad

The man moves effectively without the aid of any implements. walking makes its way. the locomotion of each gram of its own body or its load, over each kilometer traveled in ten minutes, consumes 0.75 calories. comparing it to a thermodynamic machine, man is more profitable than any motorized vehicle, which consumes at least 4 times more calories in the same path. it is more efficient than all animals of comparable weight. the shark or the dog wins, but only in a little. with this efficiency index of less than one calorie per gram, historically organized its circulation system, which is predominantly based on traffic *. explored the world, created cultures, held shops, and, as far as we can tell, spent only 3.5 percent of social time moving away from home or camp. only a few peoples, at rare moments in their history, probably devoted more than this percentage of the common time in moving or dealing with their vehicles and animal engines, for example the Mongols in their wars.

> a century ago man invented a machine that gave him even greater efficiency: the bicycle. it was a novel invention, based on new materials, unthought in the times of the young marx and combined in an ingenious technology.

Using the bicycle makes it possible for the movement of the human body frank out a last barrier. allows you to take advantage of the available metabolic energy and accelerate the locomotion to its theoretical limit. on flat ground, the cyclist is three or four times faster than the pedestrian, spending in total five times less calories per kilometer than this. transporting a gram of your body over this distance consumes no more than 0.15 calories. with the bicycle, the man surpasses the possible performance of any machine and any animal evolved.

Not only in motion, also parked there is a huge difference between the space occupied by the potentially fast vehicle and the bicycle. where a car is parked 18 bicycles fit. to leave the parking lot of a stadium, 10 000 people on a bicycle need a third of the time needed by the same number of buses.

a greater annual distance, dedicating it in total less time and requiring less space to do so and very little investment of physical energy that is not part of its own life cycle.

cost little. with a fraction of the hours of work that requires the gringo to buy his car, the Chinese, earning a much lower salary, buying his bicycle, which lasts a lifetime, while the car, the cheaper, the sooner there are that replenish it. The same can be said about the roads. so that a greater number of citizens can reach their homes by car, more corrodes the national territory. inevitably the car is linked to the road, not the bicycle. where it can not be mounted on it, the cyclist pushes it. the daily radius of journeys increases for all equally without thereby reducing the intensity of access for the rider. the man with the bicycle becomes the owner of his own movements, without hindering the neighbor. if there are those who pretend that in terms of circulation it is possible to achieve something better, it is now when you should try it.

*: "I call traffic to the movements that are made with muscular energy of the man, and transport to those that use mechanical motors to transfer men and things. >

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