Light pollution is increasing globally, obscuring stars and impacting human and wildlife health. A coalition called Lights Out Wisconsin formed in 2025 to raise awareness and reduce light pollution.

S. Justin Thomas, Ph.D., associate professor in the Department of Psychiatry and Behavioral Neurobiology, specializes in behavioral sleep medicine and says the relationship between red light and ...

The ionosphere is of great importance to shortwave radio transmissions, since it allows radio waves to be refracted and ...

An international research team has for the first time designed realistic photonic time crystals ---- exotic materials that exponentially amplify light. The breakthrough opens up exciting possibilities ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you might ...

Microsoft's one-time retirement program will be open to U.S. workers at the senior director level and below whose years of employment and age add up to 70 or more. The company is also decoupling stock ...

From classrooms to backyards, makers are building Arduino-powered solar trackers to squeeze every drop of energy from the sun. These devices use sensors, motors, and clever designs to keep panels ...

Companies like Snap and Block cited AI as a factor in recent layoffs. Coinbase's CEO said on May 5 that the company will cut 14% of its workforce, in part due to AI. Cloudflare announced 1,100 layoffs ...

The Tesla Supercharger network is no longer exclusive to Tesla EV owners, whether you like it or not. It all started at the end of February 2024, when Ford EVs gained access to what is generally known ...

Single-Use Planet is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, LG ...