Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Conducting electricity

  1. Dec 24, 2004 #1
    Is it possible to make electricity travel between 2 places with no wires?
  2. jcsd
  3. Dec 24, 2004 #2
    Of course

    It's called a TV.

    If your definition is the movement of charge , then TV's fire electrons at the screen , high energy accellerators fire electrons and or protons around all the time. Electricity in fluids ( without literal wires) is carried by charged ions .
  4. Dec 24, 2004 #3
    lightning. whoosh!

    once you build up a great enough potential difference... most anything can conduct
  5. Jan 7, 2005 #4
    can we send satellites to space that get electricity from sun and transmit it to earth?
  6. Jan 7, 2005 #5
  7. Jan 7, 2005 #6


  8. Jan 8, 2005 #7
    Talking about lightning, is it possible for human to simulate lightining in order to generate electricity?
  9. Jan 8, 2005 #8
    Wont this reduce pollution. We could send energy satellites to space send electricity to earth and use it. The pollution due to thremal power plants can be reduced.
  10. Jan 8, 2005 #9


    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    One of the issues with transmitting a microwave beam back to earth from space is that the energy density of the beams would be quite large this would make it deadly to any bird or plane that passed through it. You would have to have some way of preventing such events.

    I have ofter pondered the possibility of huge moon based photoelectic farms beaming energy back to earth.
  11. Jan 8, 2005 #10
    Is it possible like for eg, that a country launches a satellite for electricity. Is it possible for the beam to accidentally unfortunately hit its neighbouring enemy country?
  12. Jan 8, 2005 #11


    User Avatar

    Ha ha, of course! But what would it do? Other than kill stuff? Knock out electricity too?


    Spark gaps, http://www.voltnet.com/ladder/index.shtml [Broken], toroids, and tesla coisl (or http://www.voltnet.com/tesla/index.shtmland [Broken] ) use air as a conductor to work.

    Also, there is something that may be relevent to this, it is called splitting an electron, you can spatially seperate an electron's charge and mass I believe.
    Last edited by a moderator: May 1, 2017
  13. Jan 8, 2005 #12
    Reminds me of SimCity, when the microwave beam misses its power station's receiver. Things go ka-boom. :)
  14. Jan 8, 2005 #13


    User Avatar
    Science Advisor

    Static electricity (lightning, cosmic particles, etc.) is not a good way of producing electrical current.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook