Recent content by john951007

  1. J

    What kind of people are suitable of doing research in quantum gravity?

    Do I need to take GRE if I have got a master degree in the UK and I want to go to the states to do phd?
  2. J

    What kind of people are suitable of doing research in quantum gravity?

    Thank you for your suggestions, you are very kind:) I decided to stick to biology while learning physics( as a minor ). I will probably do PhD in the UK, if I cannot get a job I will go to the states.
  3. J

    What kind of people are suitable of doing research in quantum gravity?

    I agree, there is a branch in natural sciences programme called condensed matter physics, I will probably choose that next year, I will choose molecular and cell biology as my major and physics as my minor. May be learning some physics such as quantum theory can help me design new experiment in...
  4. J

    What kind of people are suitable of doing research in quantum gravity?

    I am doing a 4-years natural sciences master programme at UCL in the UK, which includes a 3-years undergraduate curriculum and a 1-year graduate curriculum. This is my first year and I chose physics and molecular and cell biology.
  5. J

    What kind of people are suitable of doing research in quantum gravity?

    I mean theoretical physics, not just quantum gravity.
  6. J

    What kind of people are suitable of doing research in quantum gravity?

    I am interested in both physics and biology but I have not decided which subject i will choose to do research in the future. I am now studying natural sciences in the university. When I was at high school, one of the biology professor that I met suggested me to choose biology and give up...
  7. J

    Understanding Roots of Unity: Proving Even Distribution with Math

    I don't understand why roots of unity are evenly distributed? Every time when we calculate roots of unity, we get one result and then plus the difference in degree, but I think this follows the rule of even distribution and I don't understand that, it is easy to be trapped in a reasoning cycle...
  8. J

    Mass-Energy Conservation: E/m=c^2

    Does photon satisfy the full equation, because photon has momentum but does not have mass?
  9. J

    Mass-Energy Conservation: E/m=c^2

    We know the equation E=mc^2 which correlates energy to mass. If we rearrange the equation: E/m = c^2 , it turns into the ratio of energy to mass is the square of the speed of light, does it mean for every particle in the universe, the ratio between the energy of the particle and its mass is...
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