For a little over two thousand years, the primary light sources after the sun had set were oil lamps and candles. This was well before the age of fossil fuels, so these oil lamps were often fueled ...

Go ahead and use all this indoor time to knock some stuff off your to-do list. View Entire Post › ...

Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components. This step-by-step guide demonstrates how to construct the engine, build a ...

Microscopic fibers secretly shape how every organ in the body works, yet they’ve been notoriously hard to study—until now. A new imaging technique called ComSLI reveals hidden fiber orientations in ...

LED bulbs often don't last as long as they should. We talked to the experts to figure out how to extend their lifespan. Tyler has worked on, lived with and tested all types of smart home and security ...

A severe solar storm could produce a visible show from Alabama to Northern California. 0 20 40 60 80 100 Source: NOAA/National Blend of Models. William B. Davis, Joel Eastwood and Joey K. Lee/New York ...

The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...

Christmas is nearly here. If you're looking for a festive activity the whole family is sure to love, you should plan an outing to enjoy Christmas lights. In metro Phoenix, there are several major ...

Star-favored, board-certified aesthetics physician Dr. Glenicia Nosworthy explains how to choose the right high-tech tool for every skin concern. By Natalie Alcala, Danielle Directo-Meston, Erin ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

SAN ANTONIO – It’s the first weekend after Thanksgiving, and putting up Christmas lights or your tree may be on your to-do list. From small displays to Griswold-worthy exhibits, safety should be a ...