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Keyword: graphite

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  • THANK YOU – School Board Gets Rid of Zero Tolerance After Boys Suspended for Using Pencils as “Guns”

    06/17/2013 9:58:37 PM PDT · by Impala64ssa · 17 replies
    Finally! We have common sense in our public schools, at least in one Virginia school district anyway. After two boy were suspended for “using pencils like guns“, the Suffolk School Board decided to review their current weapons policy, which was a very strict zero tolerance policy which left no room for interpretation. According to 10News.com, Under the revised policy, school administrators can look at factors such as intentions of harm and whether the object is listed as a weapon to determine the punishment. Ordinary objects will not be considered weapons A local television station reports that school board members voted...
  • Nanomachines could benefit from superlubricity

    04/11/2012 11:16:01 PM PDT · by neverdem · 5 replies
    Physics World ^ | Apr 5, 2012 | Jon Cartwright
    Researchers in China and Australia have observed superlubricity – the dropping of friction to near zero – on length scales much larger than before. They say that the phenomenon, which they measured in sheared pieces of graphite, could find applications in sensitive microscopic resonators or nanoscale gyroscopes. Superlubricity is sometimes used to mean simply very low friction, but the original meaning is that the friction between two surfaces disappears almost completely. Proposed in the early 1990s by Motohisa Hirano, then at the Nippon Telegraph and Telephone Corporation in Tokyo, Japan, and others, it relies on a special arrangement of atoms...
  • Ex-CAB boss's role in weapons sting

    01/30/2012 12:58:22 AM PST · by Cindy · 2 replies
    http://www.irishexaminer.com/world/kfidaucwqloj/rss2/ ^ | MONDAY, JANUARY 16, 2012 | By Lynne Kelleher
    SNIPPET: "But the solicitor helped to nab a major international dealer to the Iranian missile programme since he came to the job two years ago. He said: "One of our first cases started with a suspected heroin trafficker, so the National Drugs Enforcement Agency got this information that this guy Dugash was heading out to Kenya to buy heroin and they met him at the airport and seized his cash, which was something in the order of $10,000 which was a huge sum for this jurisdiction. "As part of the explanation he said it was cash belonging to himself and...
  • Carbon that cracks diamond

    05/12/2009 9:39:38 PM PDT · by neverdem · 12 replies · 1,014+ views
    Nature News ^ | 12 May 2009 | Philip Ball
    A new ultra-hard form of carbon may exist between graphite and diamond.The structure of the new form of carbon resembles that of both graphite and diamond.Punchstock Carbon can exist in a form halfway between graphite and diamond, say researchers in China and the United States. And they believe this stuff is as hard as diamond itself.Yanming Ma of Jilin University in Changchun, China, and his colleagues think that the new carbon material they have predicted in theoretical calculations1 may have been made already, in 2003.At that time, Ho-kwang Mao of the Carnegie Institution of Washington in Washington DC, a co-author...
  • German Admits Selling Rocket Material to Iran Bookmark and Share

    05/01/2009 1:14:14 AM PDT · by DTAD · 5 replies · 668+ views
    A German businessman on trial for selling graphite to Iran to make rocket nozzles has admitted the offense. At the opening of his trial on April 8, the 63-year-old businessman on trial for selling Iran 16 tons of graphite to make rocket nozzles initially rejected all 12 counts of the indictment. However, in a statement read out by his lawyers, he has now admitted to the offense.
  • Man charged in graphite case

    06/21/2006 12:11:35 PM PDT · by PghBaldy · 27 replies · 673+ views
    Pittsburgh Tribune-Review ^ | June 21 | Jason Cato
    An engineer/salesman from India was charged Tuesday by federal prosecutors in Pittsburgh with conspiring to ship graphite products to the United Arab Emirates that possibly could be used for nuclear or military purposes. Manoj Bhayana, 39, of Green Tree, is charged with conspiracy. Federal authorities say from December 2003 through September 2004, Bhayana worked with another person and three companies -- all unnamed -- to conceal the origin of the graphite products sent to a trading company in the Middle Eastern country.
  • Scientists slice graphite into atom-thick sheets

    10/22/2004 12:09:03 AM PDT · by Stoat · 25 replies · 777+ views
    The Register (U.K.) ^ | October 21, 2004 | Lucy Sherriff
    Scientists slice graphite into atom-thick sheets By Lucy Sherriff Published Thursday 21st October 2004 23:29 GMT An international team of scientists has made a new material just one atom thick, by extracting a single plane of carbon from a graphite crystal. Known as graphene, the new fabric effectively exists in just two dimensions, and could pave the way for computers built from single molecules.In the latest edition of Science, published tomorrow, the scientists from Manchester University and Chernogolovka, Russia, explain that the atomic sheet is a fullerene molecule. Fullerenes are a class of carbon molecules discovered in the last twenty...