Energy-saving LEDs boost light pollution worldwide

They were supposed to bring about an energy revolution—but the popularity of LED lights is driving an increase in light pollution worldwide, with dire consequences for human and animal health, researchers said Wednesday.

Amazon 'Prime Day' becomes phenomenon as rivals jump in

It started as a simple sales promotion, but Amazon's Prime Day has now morphed into a major phenomenon joined by scores of retailers jockeying with the US colossus for a bigger slice of the e-commerce pie.

The paradox of gift giving: More not better, says new study

Holiday shoppers, take note. Marketing and psychology researchers have found that in gift giving, bundling together an expensive "big" gift and a smaller "stocking stuffer" reduces the perceived value of the overall package ...

Cassini sees Saturn and moons in holiday dress

(Phys.org) —This holiday season, feast your eyes on images of Saturn and two of its most fascinating moons, Titan and Enceladus, in a care package from NASA's Cassini spacecraft. All three bodies are dressed and dazzling ...

Valve releases both Steam Machine and SteamOS

(Phys.org) —Video game maker Valve Corporation has officially made SteamOS available for download for anyone who wishes to do so. At the same time, the company announced that it has also shipped Steam Machines to 300 preselected ...

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Holiday

A Holiday is a day designated as having special significance for which individuals, a government, or a religious group have deemed that observation is warranted. It is generally an official (more common) or unofficial observance of religious, national, or cultural significance, often accompanied by celebrations or festivities.

This text uses material from Wikipedia, licensed under CC BY-SA