Laws of physics determine universe's structure from "summary" of The Grand Design by Stephen Hawking,Leonard Mlodinow
The universe, in all its vastness and complexity, is governed by a set of fundamental principles known as the laws of physics. These laws dictate the behavior of matter and energy, shaping the very structure of the cosmos. From the smallest subatomic particles to the largest galaxies, everything in the universe is subject to these immutable laws. At the heart of the laws of physics is the idea of causality - the notion that every event has a cause and that these causes can be understood through the application of scientific principles. By studying the interactions of matter and energy, scientists have been able to uncover the underlying rules that govern the universe. These rules, in turn, determine the way in which the universe is structured and how it evolves over time. One of the key insights of modern physics is the concept of quantum mechanics, which describes the behavior of particles on the smallest scales. According to quantum theory, particles can exist in multiple states simultaneously and can influence each other instantaneously, regardless of the distance between them. This strange and counterintuitive behavior is a direct consequence of the laws of physics and has profound implications for our understanding of the universe. Another important concept in physics is the theory of relativity, which describes the behavior of matter and energy on the largest scales. According to relativity, space and time are intertwined, forming a four-dimensional fabric known as spacetime. This fabric can be warped and distorted by the presence of matter and energy, leading to phenomena such as gravity and the bending of light. These effects, too, are governed by the laws of physics and play a crucial role in shaping the structure of the universe.- The laws of physics are the blueprint upon which the universe is built. They determine the way in which matter and energy interact, the forces that govern their behavior, and the structures that emerge as a result. Without these laws, the universe would be a chaotic and unpredictable place, devoid of order or structure. It is through the lens of physics that we are able to make sense of the cosmos and uncover the underlying principles that govern its existence.