In the distant universe, there are objects so bright that they outshine entire galaxies. They are called quasars, short for quasi-stellar radio sources, and they are among the most powerful phenomena known to astronomy. A single quasar can emit more light than a trillion stars. To observers on Earth, theyContinue Reading

Retrocausality is the intriguing concept that the future can influence the past. It challenges the traditional, intuitive understanding of time and causality that we experience in our daily lives, where causes always precede their effects.

Introduction In physics, the flow of time is generally assumed to be unidirectional — that is, time moves forward from past to present and onward into the future. However, the idea of retrocausality challenges this assumption, suggesting that events in the future can influence the past. While this concept mightContinue Reading