Need explaination on wormhole Hello frnds, i m new to this forum and having a intrest in cosmology but short of knowledge. I have seen a documentary film on universe and space and came to know about wormhole, so i have following question on it- 1. From where concept of wormhole came? 2. Why scientist belive that it is shortcut for other region of universe or space. 3. Does any one have given practicle explantion? 4. Does black hole may act as wormhole at some poin?