Mar 30, 2026 · The concept of entanglement links far-flung particles. That relationship can prove that someone is in the location they claim to be.

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

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

Mar 10, 2026 · Join Physics Forums, where students, scientists, and enthusiasts come together to explore and discuss the current understanding and practice of various scientific fields.

Mar 30, 2026 · Quantum Physics Just 10,000 quantum bits might crack internet encryption schemes Quantum computers based on atoms could provide access to encrypted data much sooner than …

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

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.

Feb 28, 2026 · 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 22, 2009 · Join the expert discussion on mechanical engineering topics. This can include topics like the development of machines. Mechatronics, Robotics, Engines, Drafting etc.

Jan 23, 2026 · Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing that idea is challenging.