ELI5: Explain Like I'm 5

Time's Arrow and Archimedes' Point

Okay kiddo, let me try to explain to you what is Time's arrow and Archimedes' Point in a simple but detailed way.

Time's arrow is a concept that tells us that time only moves forward, never backward. You can think of it like a one-way street. Just like how you can only move forward on a road, time can only move forward too. We can remember the past but we cannot go back and change it. We age and things decay because time only moves forward.

Archimedes' Point is a point in space where you can balance an object perfectly in any direction. Let's say you have a stick, and you want to balance it on your finger. You have to find the exact point to balance it, or it will fall. The Archimedes' Point is that perfect position where even a small push won't make the stick fall over.

Now, how are these two things related? Well, some people think that just like Archimedes' Point, there may be a "perfect point" in time, where everything is balanced and there is no arrow of time. This means time would be running both backward and forward at the same time. But we haven't found that perfect point yet.

So for now, we just have to accept that time only moves forward, and we should try to make the best of the time we have right now. And if you ever need to balance a stick, remember Archimedes' Point!