Physics and physicists are central to the nation's security. This partnership between government and physics includes important areas such as the design of optics for reconnaissance satellites, new ...

Learn how basic physics can be used to estimate solar power output with simple, logical calculations. This video explains solar irradiance, energy conversion, and efficiency in a clear, intuitive ...

Try these interactive flashcards based on GCSE physics past papers. By working your way through the flashcards created by experts, you can prepare for your physics exams and make your revision more ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Condensed-matter and materials physics is the branch of physics that studies the ...

The Committee on Elementary-Particle Physics was convened by the National Research Council's Board on Physics and Astronomy to assess the field of elementary-particle physics as part of the survey ...

The hydrogen molecule H 2 is the simplest stable molecule, with two protons and two electrons bound together. Scientists have studied it for more than a century because it’s small enough that theory ...