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NANOTUBES ARE WHAT?

In this post from the field of economics of globalization will define a concept that has to do with nanotechnology, the concept I chose is the nanotube and that I think is the most important concepts and enriching on the subject.

A website on nanotechnology, the first website that talks about science and nanotechnology in English is the euroresidentes.com we will find a wealth of information about the subject at hand and surely all those who have sought information on this us have encountered.

But What are nanotubes? It is said that the nanotubes are formed from one or more layers of graphite or other material that are rolled on themselves. There nanotube derivatives that are closed for half a fullerene sphere and this is for those who did not know the definition of a condensate of carbon atoms in hexagonal and pentagonal, and other derivatives are not closed. There are single-layer nanotubes called single wall nanotubes in English and English SWNTs nanotubes monolayer and others who have various tubes stuck into one another called multiple or multi-wall nanotubes MWNT in English and English, respectively.
The nanotubes are a special interest for chemistry and for technological applications because according to researchers on the subject is the first substance known to mankind can sustain indefinitely its own gravitational pressure, a necessary condition for building a space elevator is a hypothetical elevator that connects the planet's surface to space.

personally What strikes me most about this issue is that despite the small diameter nanotubes that have, since we are speaking of nanometers which can reach lengths up to a millimeter however are the fibers known strengths, such as a single carbon nanotube is 10 to 100 times stronger than steel per unit weight on top of that conduct electricity hundreds of times more effective than copper cables.
There are several branches of study that can benefit the development of such nanotubes nanotubes in medicine is what I find most interesting since according to researchers at the University of California nanotubes can serve as scaffolding to help People suffering from osteoporosis and broken bones. For example now the artificial bone structures using a variety of materials that have the disadvantage of having a high probability of being rejected by the human body but For when carbon nanotubes are very strong also have less chance of rejection by their organic nature.

For those who want to know more about the subject of nanotubes here are some links to the page mentioned above which are some issues related to nanotubes that seemed more interesting:

 Carbon nanotubes offer new gene therapy techniques
 Dispersion of carbon nanotubes
 The use of carbon nanotubes to create filters 
Nanotubes and alternative energy
 nanotubes can change colors and kill bacteria
 Television future nanotube
 Water facilitates the growth of nanotubes ... 
Video on carbon nanotubes
 Nanotubes dampen vibrations 
Nanotubes beat the record for superconductivity
nanotubes  Water
 X-ray carbon nanotubes
The  nanotube fibers are hardened by heat
 toxicity of nanotubes Nanotube
more  bright for
telecommunications and computer  On and nanotubes
 nanotube anticancer agent
 Power generation and absorption of phonons in carbon nanotubes
 Nanotubes and vehicles