How does the Earth orbit the sun without losing energy?
Physics is hard to understand because it violates everyday observation, intuition, and common sense. Take “Newton’s First Law” as an example. It states that an object in motion…
We are full of curiosity about the world, so we have countless questions every day. If you have the same question, you can come here and see how many people in the world share your curiosity. To understand the world is to understand ourselves.