Early solar observations evolved from ancient naked-eye records of sunspots to systematic telescopic sketching in the 17th century, facilitating debates on solar physics and the eventual discovery of ...

The Sun has captivated humanity for millennia. And yet, despite being our closest star, studying it is not easy. Its blinding brilliance long defied detailed study. But over the centuries, astronomers ...

Discover how to build a portable DIY solar charger for your smartphone using simple materials like copper foil tape, a micro-USB cable, and hot glue. This step-by-step tutorial guides you through each ...

A new 3D electrical imaging method shows how passivation reduces defects in perovskite solar cells, clarifying charge transport and stability limits. (Nanowerk News) Perovskite solar cells have ...

Dec. 23, 2025 A new discovery shows that messy, stray light can be used to clean up quantum systems instead of disrupting them. University of Iowa researchers found that unwanted photons produced by ...

Perovskite solar cells have garnered widespread attention as a low-cost, high-efficiency alternative to conventional silicon photovoltaics. However, defects in perovskite films impede charge transport ...

Solar eclipses thrill skywatchers every year. You just have to be in the right place at the right time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Perovskite photovoltaics entered a transformative phase in 2025, characterized by the widespread transition from n–i–p to p–i–n architectures, rapid progress in tandem device integration and ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Tesla Energy is Tesla’s clean energy company. It creates solar panels and fully integrated solar and battery backup roof options for customers who want to switch to green energy. The company offers a ...

The training material on this webpage is available for download. The purpose of the material is to train the trainers, who are hospital personnel e.g. medical physicists/radiation protection officers, ...

We have tested and selected the best telescopes for deep space so you can gaze at distant galaxies, nebulas and star clusters. When you purchase through links on our site, we may earn an affiliate ...