Recent content by vickyc

  1. V

    Most stable nuclei are magnetic

    Hi, I'm in my last year of school and part of my A-Level is on nuclear physics. We've recently studied binding energy and I noticed that the elements with the highest binding energy per nucleon (the most stable nuclei) are magnetic - iron, cobalt and nickel. Are binding energy and magnetism...
  2. V

    Why? Why oh why do students have so much trouble in physics

    Chemistry, AS level. The class fell from 18 in the first year to 6 in the second.
  3. V

    Polarisation & LCDs: How Does Darkening On Turn On Work?

    I think I understand how polarised light is used to light up an LCD screen. The polarised light twists as it passes through the LCD, then goes through another polaroid filter which allows twisted light through to light up the display - unless there's a current in the electrodes, which means that...
  4. V

    Is Cold a Universal Phenomenon in Space?

    How does the 'star' produce light? No, cold doesn't travel in the same way that heat does. However, heat wouldn't be coming from anywhere else, so your planet would definitely be cold. If somehow the planet heated up but the star didn't, then either the planet would cool down pretty quickly...
Back
Top