Physics - Science News
4 天之前 · By Emily Conover September 24, 2024. The X-ray pulses could deflect asteroids up to 4 kilometers wide, a new study suggests. By Nikk Ogasa September 23, 2024. Theoretical physicist Tracy Slatyer ...
Physics Forums: Science Discussion, Homework Help, Articles
Physics Forums aims to provide a community for students, scientists, educators or hobbyists to learn and discuss science as it is currently generally understood and practiced by the professional scientific community. STEM homework help for students is available, as well as academic and career guidance. Join Physics Forums, where students ...
What is Physics? - Socratic
2014年12月13日 · Physics is the scientific study of matter and energy and how they interact with each other. As an experimental science, physicists ask fundamental questions and try to answer them by observing and experimenting. The subject matter of physics, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure ...
Physics topics and chapters - Socratic
Subatomic Physics. The Nucleus. Nuclear Decay. Nuclear Reactions. Particle Physics. Watch the best videos and ask and answer questions in 97 topics and 23 chapters in Physics. Get smarter in Physics on Socratic.
Physics | Page 2 of 202 - Science News
2024年9月23日 · The Physics page features the latest news in materials science, quantum physics, particle physics, and more.
Physics Nobel prize goes to pioneers in quantum information …
2022年10月4日 · Physicists Alain Aspect, John Clauser and Anton Zeilinger laid the groundwork for quantum technology. Experiments on a bizarre feature of quantum physics known as entanglement (illustrated here as ...
Physics Blogs You Need to Be Reading - Physics Forums
2015年5月25日 · Physics Blogs You Need to Be Reading. Estimated Read Time: 1 minute (s) Common Topics: blogspot, http, math, blogs, updated. These are some of the best physics blogs, updated regularly, written by some of the top minds. The feeds are updated on page refresh, so bookmark this page and you’ll have a quick overview of all the blog’s latest ...
Alternatives to Mastering Physics in teaching E&M and Optics
2023年11月12日 · PhET Interactive Simulations provide a hands-on learning experience that can make abstract concepts more tangible. Unlike Mastering Physics, which is more problem-solving oriented, PhET focuses on interactive learning and visualization, which can be particularly effective for understanding E&M and Optics.
What is the meaning of i, j, k in vectors? - Physics Forums
2005年11月4日 · In summary, unit vector notation is a standard way of expressing vectors using i, j, and k to represent the x, y, and z axes respectively. It allows for a more simplified and convenient way of representing vectors without any relative angles. The dot product or inner product of vectors is used to find the length of the "shadow" that one vector ...
Understanding Superposition Physically and Mathematically
2019年6月10日 · What is superposition. Superposition is a fundamental concept in physics and mathematics, particularly in the field of wave theory and quantum mechanics. It describes how multiple wave-like phenomena can combine or interact with each other. In physics, superposition can be summarized as follows: