Now, before we dive into this wild ride, let me just say that if you’re not already familiar with some basic concepts in physics and math, you might want to grab a calculator or two (or three) because things are about to get real nerdy up in here!
So what exactly is general relativity? Well, it’s basically the idea that gravity isn’t just a force like we normally think of it instead, it’s actually a warping of spacetime itself. That’s right, according to Einstein, space and time are not separate entities but rather two sides of the same coin!
Now, I know what you might be thinking: “But wait, if gravity is just a warping of spacetime, doesn’t that mean that everything in the universe is constantly moving around like crazy?” And to answer your question, yes it does! Instead, these movements are incredibly small and imperceptible to us humans (unless you happen to be a super-duper advanced alien species or something).
So how exactly does this warping of spacetime work? Well, let’s take a look at an example: imagine that we have two objects say, a planet and a star. According to general relativity, the mass of these objects will cause a curvature in spacetime around them (kinda like how a heavy object might create a dent in a trampoline). And as other objects move through this curved space-time, they’ll be affected by gravity just like we would expect!
Now, I know what you might be thinking: “But wait, if everything is constantly moving around due to the warping of spacetime, doesn’t that mean that time itself is also affected?” And once again, yes it does! According to general relativity, time can actually vary depending on where you are in space. So for example, if you were standing near a massive object like a black hole or a supermassive star, time would appear to move more slowly than it would if you were far away from these objects (which is why we sometimes refer to this effect as “time dilation”).
It might sound crazy at first, but trust me when I say that this idea has completely changed the way we think about physics and our place in the universe. And who knows? Maybe one day we’ll even be able to harness its power for some kind of mind-blowing technological breakthrough (or maybe just a really cool sci-fi movie)!