If you have lots of hanging projects—pictures, mirrors, shelves, and the like—a dedicated stud finder is a helpful tool to have on hand. There are two types of stud finders: magnetic and electric, ...

Demonstrates how electricity can be produced from magnets through various experiments. It explains that electric currents can create magnetic effects, forming electromagnets that only work while ...

The giant magnet prior to the unveiling ceremony at General Atomics. (Photo by JW August/Times of San Diego) Sitting inside a building in a Poway industrial park is the result of nearly 20 years of ...

For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...