What's the most interesting discussion you've participated in on Reddit?

One of the most interesting discussions I've come across was on r/AskReddit, where users were asked, "What's the most mind-blowing fact you've learned that completely changed your perspective on something?" The discussion was a deep dive into various fascinating facts that challenged and expanded people's views on a wide range of topics.

Some standout contributions included:

- **The Concept of Time**: A discussion about how the concept of time is relative and can vary depending on speed and gravity, as explained by Einstein's theory of relativity. This opened up a conversation about how our understanding of time is much more complex than our everyday experiences suggest.

- **The Scale of the Universe**: Users shared mind-boggling facts about the vastness of the universe and the relative size of celestial objects. Comparing the size of the Earth to the size of the observable universe was a humbling and eye-opening experience.

- **Human Memory and Perception**: There were discussions about how our memories and perceptions can be unreliable and are influenced by numerous factors, which led to a deeper exploration of the nature of reality and human cognition.

These discussions were particularly engaging because they not only presented intriguing information but also encouraged a broader and more critical thinking about our understanding of the world. The depth of insight and the variety of perspectives offered by the Reddit community made it a memorable and intellectually stimulating experience.

Have you participated in any discussions that left a lasting impression on you?