For SkyEssay

use this and I need only  two pages about this topic 

and I will send the porpoint to fiex it if the need 

make it better

Sources:

1. 1-  http://phys.org/news/2012-09-petabit-fiber-transmission-km.html

2. 2-  http://www.futuretimeline.net/blog/2012/09/23.htm#.V4U_IldiDow

3. 3-  http://www.mcip.hokudai.ac.jp/cms/cgi-

   bin/index.pl?page=contents&view_category_lang=2&view_category=1076

4. 4-  http://esciencenews.com/sources/physorg/2012/09/21/one.petabit.second.fi

   ber.transmission.over.50.km

5. 5-  http://www.theregister.co.uk/2012/09/23/ntt_petabit_fibre

6. 6-  http://www.abc.net.au/technology/articles/2012/09/26/3598036.htm