Peacock feathers are famous for vivid iridescent colors, yet a new study shows they can also emit laser light after being soaked with a common dye and excited by a green pulse. Two narrow emission ...

Small home appliances equipped with electric heating coils and brushed DC motors, like hair dryers, air fryers and toasters—can emit harmful tiny ultrafine particles that deteriorate indoor air ...

Views of webpages used for the Conference of the Parties (COP) sites—referring to the annual United Nations climate change summit—emit up to 10-fold more carbon emissions than average site views.

Technological advances, such as digital screens, have their obvious benefits, but these advances often outpace the time it takes for human physiology to adapt to them. As more work, learning, and ...

iPhones — like other mobile phones – use radio frequency (RF) waves as part of their normal operation to send and receive signals from the nearby cell towers. These RF waves — like microwaves and FM ...

The difference in emissions between plug-in hybrid electric vehicles (PHEVs) and gas cars is merely 19 percent and not 75 percent as lab tests show, according to a report by a group of European ...

Did you know that you’ve been glowing your whole life? No, you’re not bioluminescent like colorful jellyfish or bright fireflies, but you do emit a faint light that isn’t even visible to the naked eye ...

JavaScript is a sprawling and ever-changing behemoth, and may be the single-most connective piece of web technology. From AI to functional programming, from the client to the server, here are nine ...

JavaScript’s low bar to entry has resulted in one of the richest programming language ecosystems in the world. This month’s report celebrates the bounty, while also highlighting a recent example of ...

Interstellar object 3I/ATLAS — which is zooming through our inner solar system — appears to be emitting its own light, according to Harvard astrophysicist Avi Loeb. The observation by Loeb, if ...

Peacock feathers are greatly admired for their bright iridescent colors, but it turns out they can also emit laser light when dyed multiple times, according to a paper published in the journal ...