Nylon, invented by a chemist at the DuPont Chemical Company in 1935, and first used in women's stockings in 1940.
Nylon.
why did it not be accepted in for fifty years
Depends on the plastic (polymer) but in theory, thousands of years as they are not biodegradeable
This fraction is 12,5 %.
There are 5000 years in 50 centuries. A century is 100 years. 50 centuries x 100 years/century = 5000
Polymers don't rust, not like iron does anyway, but they can oxidize. Polymers are essentially what is commonly called plastic. Rust is simply iron combining with oxygen, and the carbon atoms in a polymer can do the same thing. This will lead to decomposition of the polymer. It depends entirely on the specific polymer how quickly this will happen (almost everything will oxidize eventually, but for many things it takes thousands or millions or years). Most polymers are quite stable and generally are very resistant to oxidation, but may decompose if exposed to chemicals, radiation, or high temperatures.See the Related Questions links for more information.
You are a stupid retard
ARPAnet, which evolved into the Internet and the World Wide Web.
Cinquante ans is how you say fifty years old
The duration of Fifty Years Of Music is 1.25 hours.
Fifty Years Of Music was created on 1972-11-06.
A word for a hundred years is a century. A word for fifty years is half a century.
A half century or fifty years
The cast of Fifty Years - 2010 includes: Sarah Ford
The cast of Fifty Years After - 1912 includes: Fred Evans
There has been even more pollution in the last fifty years
She went to school until she was twelve years old and worked until she was fifty six. She invented a paper bag machine that helped many people over the years.
robots and machines would be implemented by engineers to replace man resulting in no more man labour hours