Nov 12, 2025 · 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.

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

Jan 26, 2025 · In physics, tensors are often a mixture of several vector spaces and several dual spaces. It also makes sense to sort both kinds as the tensor product isn’t commutative. …

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 …

Aug 24, 2012 · Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Sep 9, 2015 · The Planck length is an extremely small distance constructed from physical constants. Many misconceptions generally overstate its physical significance, stating that it’s …

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.

Nov 4, 2005 · The discussion clarifies that "i, j, k" are unit vectors representing the x, y, and z axes in vector notation, providing a standard way to express vectors without angles. The dot …

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.