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Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

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, ...

This is a discussion forum.

Richard J. Kinch, Software Publisher, publishes TrueTeX, a Windows implementation of the TeX typesetting system.

Build a Robot for Free!

Free Topic Selection Wizard, science fair project ideas, step by step how to do a science fair project, Ask an Expert discussion board, and science fair tips for success.

The Trossen Robotics Community is the place to be to collaborate on anything to do with robotics technology. Share knowledge, ideas, opinions, or simply ask questions about robotics on the hobbyist, educational, research, and competition levels.

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

The Kansas City Robotics Society

Get real about teaching science and engineering. Engage students with concepts and technology from real-world labs.

The Ultimate Discussion forum for CNC, metal working machines, lathes, vertical milling, CAD/CAM software, hobbyCNC, wood routers, EDM, electronics,metal work and Free Buying and Selling!