HEATKEYS

Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality. Students can also find help for homework and career perspectives

Launched in 2001, KurzweilAI explores the forecasts and insights on accelerating change articulated in Ray Kurzweil’s landmark books — notably The Age of Spiritual Machines and The Singularity Is Near — and updates these books with key breakthr...

Tips and Tricks for Professional Astronomers

Electronic Ciruits portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students.

Edraw is a powerful yet easy-to-use program for creating flowcharts, organizational charts, network diagrams, business presentations, building plans, mind mapping and lots more.

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

SPIE is an international society advancing an interdisciplinary approach to the science and application of light.

The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home. This is a magazine that celebrates your right to tweak, hack, ...