Recent content by philipp2020

Hi Reading another post about the inverse square law by trewsx7 on this forum, I had the idea that maybe the gravity field isn't constant at some parts. Imaging a 2-dimensional gravity field produced by a source. Considering ∏, there might be a repeating infinitesimal patterns on ∏ where...

Thanks for your answer. Why again would this violate general relativity?

Hi As far as I understand, that teleportation using quantum entanglement is only partially instantaneous, because a classical channel has to be used to send the two qbits from Point A to B. So the speed of light is the boundary as how fast teleportation can happen one day using this...

yes thanks very much for the answer. I think I understand it now.

Maybe my question was a bit unclear... I would like to know how the function of the blue hyperbola looks like, which can be seen on the wikipedia link below. http://en.wikipedia.org/wiki/Kruskal%E2%80%93Szekeres_coordinates

hi If I understand it correctly, the hyperbolas in the kruskal diagram define locations with the same space time. Now my question is, how can I make a function out of the hyperbola solved for spacetime on one side and gravity/metric tensor on the other side? Thank you very much for an answer...

Thank you very much for the answers.

Thanks for the answers. But what I still don't understand is the way he draws it. By the way he draws it, the surface of the black hole seems to "reach out" locally to the object, even before the object makes contact with the Event Horizon. Does this mean the black hole's EH is expanding...

Hi I just listened to Leonard Süsskind Lecture 7 on youtube about General Relativity in the following link. At 1:28:00 he mentioned, that if a object is very close to the surface of a black hole, then the matter at this point would bulge out until it get completely absorbed. I don't...

aaa, thanks. so silly from me :)

Thanks for the reply. Well usually -G (m1 + m2) / r2 = F = m * a This is not equal to just acceleration as in a = (dr dv)/(dt dr) = v dv/dr = -G (m1 + m2)

I just have a question concerning a previous thread about gravitation. The formula is from post 19 at https://www.physicsforums.com/showthread.php?t=635188&page=2 v= dr/dt a = dv/dt multiply by dv/dt by dr/dr: a = (dr dv)/(dt dr) = v dv/dr This gets you to the first step...

I am not 100% sure, but I think 10^-15 with ESA's Microscope Mission in 2015 will be the most precise measurement so far concerning gravitational forces. Somebody may correct me please. To control the composition of the large mass, wouldn't it then not be better to make the torsion balance...

That is what I tried to calculate. How much the time difference would be for including small masses in the calculation for m2. So if the difference is only 10^24, what is the meaning of experiments which only can measure time differences until 10^-4 or something. For example like dropping a...

Thanks very much for the answer! As I wanted to calculate what difference it makes to include both masses A and B or only the mass A I am a bit confused right now. :) Getting to step one in the other thread the following is used: v= dr/dt a = dv/dt multiply by dv/dt by dr/dr: a = (dr...