In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

Light therapy lamps, also known as sunset projection lamps or sun lamps, are light boxes that mimic natural sunlight. When they feature the correct lux, a unit measuring the amount of light produced, ...

What is the purpose of light? How does light work? Why does light exist? This video explores the longstanding debate over ...

Oura has arguably done more than anyone else to push the category forward and its rings are category-leading. The Ring 4 is one of the strongest on the market and the company makes a big deal about ...

The growing availability of low-cost air quality sensors is helping people across the world track air pollution.

A Columbia scientist’s lab revolutionized digital photography with a new kind of imaging now used in more than a billion ...

Crain's exclusive ranking reveals the Chicago-area companies coming up with the most ingenious inventions and clever new ways ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

The Asus ROG Zephyrus G14 offers a well-rounded package with strong performance and surprising battery life for a 3.3-pound ...

The Florida Legislature passed a law that went into effect in 2013, allowing drivers to flash their headlights at other drivers for any reason. Miami Herald File We don’t have much patience on the ...

Fixing electrical problems — or installing new outlets, chandeliers and the like — requires knowhow and safe practices. If you do the work poorly, in addition to risking electrical shock, you can ...

Amazon Alexa is already a solid smart assistant, but a few clever tweaks and lesser-known features can take your experience to the next level. Here's how to make the most of it.