Check out Is Your Change At Risk of Falling Into a Black Hole? by Change Mentor. Here is an excerpt:
Dr. Who and the Jedi have encountered black holes. But black holes aren’t just fictional. In astrophysics, they are described as “a geometrically defined region of spacetime exhibiting such strong gravitational effects that nothing can escape from inside,” (Wikipedia).
There are black holes in…
The full article is available here.