Trusses — Low cost marvels to roof over most large spaces

By Martin Harris Issue #23 • September/October, 1993 When you strip away all the frills, building construction is nothing more than enclosing a volume of space...

Growing Microgreens

By Lisa Nourse Issue #176 • April/May/June, 2019 The small town where I live has two small grocery stores and getting a good variety of organic...

Sight and sound enhancement

By Massad Ayoob Issue #71 • September/October, 2001 Enhancing vision and hearing can make you a safer, more effective shooter, and sometimes can save human lives. Captain...

The world is ending! … Again?

By John Silveira Issue #85 • January/February, 2004 People love to talk about scary stuff. Especially when it's end-of-the-world scary, such as the big asteroid recently...