Learn how concave mirrors form images with a clear, step-by-step explanation that makes the mirror equation easy to understand. This lesson covers ray diagrams, focal length, image position, and ...

Worries about the US grid’s ability to handle the surge in demand due to data center growth have made headlines repeatedly over the course of 2025. And, early in the year, demand for electricity had ...

FARMINGTON — Research pointing to higher student achievement when cellphones are removed from classrooms was shared recently with the Regional School Unit 9 board of directors Superintendent Christian ...

After reading a Nov. 5 letter expressing concerns about the Prince Gallitzin solar array, I reviewed the Altoona Mirror articles from both Oct. 21, 2025, and Aug. 30, 2024, regarding the installation.

Produce and power are both costly in the state. So researchers are testing ways to address both issues using the same land. 50 States, 50 Fixes Produce and power are both costly in the state. So ...

Innovations in solar power are driving a new energy experiment in California. The experiment officially launched in 2025 under the title Project Nexus, and it involves a 115-foot-wide canal covered in ...

Global solar manufacturers, the largest industrial consumers of silver, are set to reduce use of the precious metal for the first time in years amid a scorching rally in its price. Silver demand for ...

Heating water is one of the most energy-consuming and costly household tasks. According to the Department of Energy, it makes up roughly 18% of a standard home's monthly energy budget. And if you use ...

LAS VEGAS — When Las Vegas resident Gary Jensen chose to get rooftop solar earlier this year, his goal was to save money and help the environment. Now six months later, his rooftop has solar panels ...