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

Predictions for the 2025 Nobel Prize in Physics are becoming increasingly challenging, with several notable candidates emerging from previous years. Key figures include Peter Shor and …

Oct 9, 2025 · Join Physics Forums, where students, scientists, and enthusiasts come together to explore and discuss the current understanding and practice of various scientific fields.

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

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 …

Mar 23, 2012 · The discussion clarifies the use of the symbols ≡ and = in equations, noting that ≡ is used for definitions and identities, while = indicates equality in specific cases. The three-bar …

Apr 22, 2010 · The equation v = √ {2gh} is significant in physics as it relates to kinetic energy per mass and appears in various contexts, including escape velocity and conservation of …

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.

Oct 22, 2013 · The acceleration due to gravity, g (9.8 m/s²), can be classified as either positive or negative depending on the chosen coordinate system. If upward is defined as positive, then …

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.