The author of this article has produced some very entertaining and informative videos that help make the ideas associated with string theory accessible to people like me, people who know very little about astrophysics. If you watch the first video in the article below, you may be sucked in, just like I was.
via Why string theory persists — despite the knotty physics | Space
You can also view other videos that have been produced as a part of this series.
Even if these are just theories at this point, these are fascinating concepts. Imagine the possibility that all of the natural processes, of different kinds, of different orders of scale and magnitude, can be defined by similar sets of simple rules at a macro level. Consider the concept of “The Arrow of Time”, and how it fits in with the fundamental structure of our universe.
via The Universal Law That Aims Time’s Arrow | Quanta Magazine
A black hole spins!
Watch the video! Young people like Katie Bouman are helping us see things that have never been seen in the past. They have now managed to obtain the first picture of a black hole! This video is from a couple of years back.
via Katie Bouman: How to take a picture of a black hole | TED Talk
PS. I got the link for this video from a friend.