HEATKEYS

The personal blog of Hal Eckhart, concerned with metal fabrication, PHP coding, and general geekery

Personal homepage with tools, projects, and notes related to fire protection, fire research, science, and engineering.

Simpson Strong-Tie - structural connectors, shearwalls, anchors, fastening systems, and seismic testing for stronger and safer wood and steel construction.

AfraLISP helps you learn how to use AutoLISP the AutoCAD API. Learn how to become more productive with AutoCAD by writing your own AutoLISP routines.

calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers

Open initiatives supporting free and open educational resources from the University of Michigan.

CustomPartNet is a free resource for engineers and manufacturers that facilitates product design and cost estimation. Learn about the process cycle and design for manufacturing (DFM) guidelines for a wide range of manufacturing processes, including i...

Rad Pro Calculator online performs many nuclear calculations that are useful to the health physicist, radiological researcher, radiochemist, radiation safety officer, health physics technician (HP) and other professionals in radiation physics and rad...

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Bitwise Magazine :: the free online magazine for programmers and technical users

ZAM Dark Age of Camelot is your ultimate destination for DAOC information featuring a database, wiki, strategy guides, forums, chat rooms, images, videos and more.