The Ledlenser P18R Signature arrives in a robust carrying case and includes the torch, charger, USB-C cable, a wrist strap ...

Lithium-ion batteries have been in the headlines recently after causing many fires in the city. Here are some answers to frequently asked questions about the common rechargeable power sources. A ...

Aug. 19, 2025 — Lithium battery recycling offers a powerful solution to rising demand, with discarded batteries still holding most of their valuable materials. Compared to mining, recycling slashes ...

When it comes to projectors, "portability" is an evolving concept. Three decades ago, 12-pound models that fit in an airplane overhead bin were the smallest and lightest available. Today, most ...