Laser level tools are always important for housework. Some of the best novice options on the market come from DeWalt, and they're surprisingly easy to use.

A laser level can be an invaluable tool for keeping things straight, but which color laser level you use may be more important than you realize.

Researchers at ORNL have developed a tool that gives builders a quick way to measure, correct and certify level foundations. FLAT, or the Flat and Level Analysis Tool, examines a 360-degree laser ...