I was watching a video about black holes, and when they mentioned that Einstein proved black holes exist with maths, it hit me.
I’ve never asked myself that question, how do numbers tell you that something exist in outer space and what to expect from it? especially things that we never knew they existed in the first place (exp black/white holes) ?
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The same way you use language to describe it with the term “black hole”. That is, the term “black hole” is a stand-in (an analogue) for the real thing. The same works with math, except math is way more precise than your usual language.
Using analogues, all it takes is a human to go “what if…” to come up with all sorts of crazy ideas. We then check those against our current theories and see how they play out. Even if it’s a dead end, we can learn a lot from exploring ideas.
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