According to the physical work is obtained by "burning" energy, this' truth in physical theories, for cars and people. To get the meat, primitive man, he had to go hunting, find prey, hunt, and then had to go home, cook clean and eat. All this requires effort that is 'work, that' energy use. Over time, technology and 'less advanced and the man has always used his energy to get food, for example, initially plowing the land with its own forces, then by oxen, and one man with an ox could do the job 10, then with the tractor and one man with a tractor could do the work and effort of 100 1 / 100. There 's nothing to be done to create the food (which contains the energy we use to live) and' required the use of energy, that is our muscles or animal, whether mineral or electromagnetic. Not just for eating energies are spent, but also to build houses, to computers, etc. to go into space. I mean all the activities' Human "burn" energy, and progress through the "cars" are the bulk of the effort, while more and more people 'are sitting in front of a monitor, but are themselves the work of 100, 100 000 1000 or primitive.
Each year the progress allows any person to produce more '. To say that I know an example: an architect only up to 10 years ago ', had to redesign most' times the same design to be able to give to the municipality, the customer and the organization of construction, more 'every little change was a great job , 'cause sometimes you have to redo all four designs from scratch. Now the changes require a few seconds and make copies of the design in a couple of minutes, whereas before it took days. This has allowed architects to improve the quality 'of the drawings, and produce much more'. Let's say a ratio of 1 to 5 at least, that in the last 10 years, and the same is true for almost all the work, a bit 'more' or a little 'less.
But then, 'cause architects, graphic designers, factory workers, employees in the offices, which produce five times more' not earn 5 times more '? Why indeed earn less? (Net of inflation). Why did my father's salary as a professor there supported the family and now a professor can not 'afford even to pay for the house and car? Cat hatching there.
In other words, the capacity 'to produce a person through the use of fossil fuels and solar, and' multiplied, so each person has, say, to say the least 100 times that produced a primitive man, but 'the Primitive man lived by while we today need to borrow to get to the end of the month.
But since 'modern man undoubtedly produce something, and something that economists call the wealth, and' no doubt that if this wealth does not go to those who produce it to someone else. Where to go? Who are you? How many man-years are required to build an atomic bomb? How come some people have more assets' GDP of large states such as Italy and there are people who have nothing to eat? Perhaps these people are able to produce this wealth for themselves doing the work of millions of people from themselves? 'Cause there are parents who see their creatures die of hunger, while the waste only in NY you could feed a city' of the third world?
the concept of work in Physics
http://it.wikipedia.org/wiki/Lavoro_ 28fisica% 29%
the concept of work in economics
http://it.wikipedia.org/wiki/Lavoro_ 28economia%% 29
A hint about where the wealth is more 'we produce
http://www.signoraggio.com/signoraggio_fumettoisoladeinaufraghi.html
Paper: on physical and the economy, very, very interesting
"History of Abundance" by Luigi Sertorius
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