When we look around us, we see a three-dimensional world: objects are made up of the three usual spatial dimensions. Although we all know...

We are currently witnessing a fascinating competition between theory and experiment regarding dark energy: general relativity and...

Over the years, the articles on this website have become increasingly in-depth and complex, so that understanding many of them...

One of the most amazing things in this world is that human beings (a species of large-brained hominids) are capable of studying phenomena...