The U.S. Geological Survey used a drone last week to measure streamflows in the Roaring Fork and Colorado rivers. The crow-sized quadcopter buzzed 100 to 200 feet above the rivers, filming the water’s ...

Arizona has experienced a rather dry winter so far. While water levels at various reservoirs have dropped, SRP scientists are still making measurements. The measurements will help determine a ...

Maui Nui stream flow conditions are shown here on March 3. According to the Hawai‘i Department of Land and Natural Resources, stream flows on Maui are at record lows and that’s a cause for concern ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...

Why there’s a need to assess current-flow distribution. How an arrangement was made for the measurement using a controlled magnetic field, laser-induced current flow, and a subtle physics-materials ...