Tagged Questions
-2
votes
1answer
113 views
maybe the universe has already 'ended'? [closed]
I aks you if this reasoning has a base in what we know of universe. There are many articles about so called "vacuum metastability event". As I understand this happens (can happen) with an enormous low ...
1
vote
1answer
199 views
String theory landscape and false vacua
What is the multiverse of string theory? I always thought it would be from brane cosmology where there's chances for multiple collisions of the branes that can make a universe. So this "multiverse" ...
2
votes
5answers
338 views
Can computers survive bubble nucleations?
According to string landscape theory, our vacua with a cosmological constant of $10^{-123}$ is a metastable vacua which can decay to a supersymmetric vacua with either a zero or negative cosmological ...
-1
votes
1answer
379 views
Lawrence Krauss' Theory of Origin
I don't understand how a vacuum, the absence of matter, can hold energy. How can it hold energy when Einstein proved that matter is energy?
And a second related question; how does the energy in a ...
0
votes
1answer
252 views
Volume of Matter in the Universe [closed]
What would the size of the universe be if it were physically possible to remove all of the empty space, leaving only matter?
