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

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

Free viewer and publisher software to view, print, and review eDrawings, AutoCAD, DWG, DXF and SolidWorks files;Publish eDrawings directly from SolidWorks, AutoCAD, Pro/ENGINEER and CATIA

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

YouTube is a place to discover, watch, upload and share videos.

CAD Tutorials and Best Practices

Pennsylvania College of Technology, Pennsylvania

free construction knowledge and advice for construction engineers, superintendents and foremen to help them build buildings with rules of thumb

A discussion forum for electronics and circuits

The National Occupational Competency Testing Institute (NOCTI) is a national leading provider of high-quality written and performance occupational competency assessment products and services.