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

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

Mar 4, 2025 · The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.

Aug 1, 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 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 26, 2011 · So I'm aware that the triangle is uppercase delta which means the difference between: 10\\Delta5=5 But what does Δx mean?

Feb 4, 2025 · A century ago, science went quantum. To celebrate, physicists are throwing a global, year-long party. In 1925, quantum mechanics, the scientific theory that describes the unintuitive rules of ...

Jul 20, 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.

Jul 18, 2019 · In physics, the physical dimension of a quantity refers to the type of units that must be used to describe it. The basic construction blocks of dimensional analysis are the so-called base dimensions, this is a set of physical dimensions, which to an extent is a matter of convention, that can be used to build the physical dimension of any quantity.

Aug 24, 2016 · There is a complete disconnect between our "existing" understanding of the universe based on classical understanding, and QM.