3 days ago · The Physics page features the latest news in materials science, quantum physics, particle physics, and more.

Sep 29, 2025 · Here contains the collection of expert physics articles that deal with physics topics. These span all skill ranges and may include astronomy and cosmology topics.

May 27, 2015 · This perfectly legitimate question seems to cause a lot of confusion. So what is energy and how do conversations about what it is go wrong?

Feb 4, 2025 · Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.

Oct 13, 2025 · Physics Forums expert math and physics blog. Read and learn from expert math and science articles, tutorials, and guides. Test your science knowledge with our quiz.

May 22, 2025 · Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.

Jun 10, 2019 · Superposition plays a crucial role in various areas of physics, including optics, quantum computing, and quantum cryptography, and it is a fundamental concept for …

May 10, 2014 · Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

May 11, 2019 · The following formulation in terms of 7 basic rules of quantum mechanics was agreed upon among the science advisors of Physics Forums.

Apr 22, 2010 · What is the importance of \upsilon = \sqrt {2gh} in physics? I've seen it in escape velocity problems, though with an R instead of h. I've seen it with conservation of momentum …