The Mental Model of the Atom Is a Very Useful Tool

Einstein's famous equation equals MC squared related mass and energy. All it did was make energy and mass more mysterious, not less mysterious. We've gone down this path to try and tunnel in, borrow down and discover what reality is all about. But we are of course, as a human race, endlessly inquisitive and want to know absolutely what is there. In modern philosophy, you don't get very far without somebody telling you, you really need to study philosophy of science.