Recent content by ericksvensson

  1. E

    Grow taller: Stretching exercises

    http://www.betaller.com/whyitworks.htm Greetings, PF community. Certain product has come to my attetion, as it claims to be an exercise and health guide to grow up to 3 inches in an average period of 5 months (depending on the effort you put on it). The whole thing has to do with...
  2. E

    Graduate What Causes the Big Crunch and How Does it Affect the Universe's Expansion?

    Greetings, PF community. I have a very simple question regarding the Big Crunch theory. As far as I know, the Big Bang was not an explosion in space, but expasion of space itself. But how about a possible Big Crunch? Does this theory deal with the contraction of space itself, or is it just...
  3. E

    Graduate Black Holes and the Mysteries of r=0: Understanding the Concept of Infinity

    Let me guess: Michio Kaku on 'Who's afraid of a big black hole' describing the equation that led to a singularity?. I remember I had the same question.
  4. E

    Graduate Uncovering the Mysteries of Gravity: The Effects of a Disappearing Sun

    https://www.physicsforums.com/showthread.php?t=360044&highlight=speed+of+gravity I've found several threads about this question, so feel free to delete this one if needed.
  5. E

    Graduate Uncovering the Mysteries of Gravity: The Effects of a Disappearing Sun

    Thank you for your reply. I've been trying to search for some information about the subject, and I've come up with this article. http://math.ucr.edu/home/baez/physics/Relativity/GR/grav_speed.html If this result was only within 1%, how can scientists be so sure about the speed of...