Q: My house plan calls for steel beams that will support the floor joists and even parts of a brick wall. Can I substitute wood beams for steel? Is a steel I-beam hard to handle on the job site? Do ...

Engineering Toolbox V2 is an online collections of calculations for mechanical design tasks. It has of about 28 modules for sizing and selecting components such as interference fits, helical springs, ...

This year at the San Francisco Bay Area Maker Faire, trying to juggle my own interests (talk to cool people) and my 5-year-old son's (build or break stuff), we both hit paydirt at the same time when ...