Recent content by Mahdi Al Sabad

  1. M

    Our Beautiful Universe - Photos and Videos

    Without the existence of Fourth dimension aka time the universe is useless to look at.
  2. M

    High School Inertial Frames of Reference - Understanding Special Relativity for 11-Year-Olds

    I'm 11 and I'm trying understand what Special Relativity is about. How many different inertial frames of reference do we have and what are they?? I know what it means.