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graphene

  1. mading2018

    Change the current from a voltage source?

    So what I understand so far, if I want to have 16 A out from a voltage source (230 V RMS) which is 325.269 V in amplitude (peak), can I simply add an resistor in parallel to achieve that? R = 325.269 V / 16 A = 20.329 ohm Do you think guys if I am on the right track? So if I am want simply to...
  2. S

    Graphene, batteries and capacitors

    Hi there, It's widely predicted that graphene is going to revolutionise batteries and capacitors and hence the convenience of using gadgets, electric cars... etc I would like to build, and play with, a home made capacitor using graphene. However, i have no idea where to buy graphene or...

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