Haha. Bechaary ka thread q tmne derail krna. Choro.
OT: there is some part of science that you can observe, the part that involves experimenting excluding Theoritical physics. For example, you can see the strengt of friction by dipping a knife in a long glass full of sand. Similarly the concept of pilings. All based on friction. Its upto us do we want to observe the sciences that we learnt or not. Btw there will always be some phenomenas and “theories” that you wont be able to observe/experiment. Like say the existance of GOD. So the answer is “it depends”.