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  1. K

    Commutators

    "discuss the importance of the invention of the commutator for developing electric motors"-how does this question need to be answered? is it just that the DC motors are more light and duravle, and can have a larger power output?? That all i got!!!!!! HELP!!!!!!!!!:(
  2. K

    microwave & radio wave technology

    does anyone know where there is good info. on a comparison of "the use of radio waves and microwave tachnology as an effective communication strategy for space travel"? it's pretty general....hard to be happy with what info i have!!! if you have any questions i will try to answer your for you...
  3. K

    sample questions

    hi....does anyone have sample essay or creative pieces on A.O.S, John Donne, Powerplay or Tempest/Explorers??? i can give you heaps if you want! thanks kate:)
  4. K

    forensic chem......

    does anyone have any information on the CHEMICAL difference batween reducing and non reducing sugars!!? i think it has something to do with open ring structure.....i might have made that up! thanks anyone!........:apig:
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