May 11, 2006 · Join Physics Forums, where students, scientists, and enthusiasts come together to explore and discuss the current understanding and practice of various scientific fields.

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

Oct 13, 2025 · Browse this month's most popular physics articles, guides, tutorials and FAQs from the community expert authored Physics Forums Insights Blog.

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.

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 the inherent pixel …

Jul 22, 2009 · Posted June 2024 - 15 years after starting this class. I have learned a whole lot. To get to the short course on making your stock car, late model, hobby stock E-mod handle, look at the index …

May 5, 2011 · The physics joke "Don't be a d^3x/dt^3" plays on the terminology of calculus, specifically the derivatives of position. The first derivative, d/dt (x), represents velocity, the second derivative, …

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.

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. Definition: A tensor of …

Jan 26, 2013 · Investigate the role of Lie groups and representation theory in theoretical physics This discussion is beneficial for undergraduate and graduate students in physics, particularly those …