Some free speed tests, including Ookla and Cloudflare, also give you download and upload scores for latency. These are referred to as “loaded latency” results, and they’re taken while the speed test ...

Global initiatives to reduce greenhouse gas emissions have increased the adoption of precise air flow measurement systems ...

At a secret location in rural Ukraine, columns of attack drones are assembled at night and in near silence to strike deep inside Russia. Since the summer, Ukraine’s long-range drone campaign has ...

SRP hopes a huge flume on the Verde River watershed will help measure the flow of water more accurately. The flume will be able to melt ice in the winter, solving a problem SRP has dealt with when ...

CFM, Amp Draw, Soft Start? All the things... let's go! Who's going to win? The Spal Brushed 14" with an advertised CFM of 1864, or the Proform Brushless 14", with an advertised CFM of 2900! We go ...

A magnetic flow meter relies on Faraday's Law of Induction to measure the flow of a fluid. Magnets outside the pipe create a magnetic field. Electrodes are located perpendicular to the magnets. A ...

The heart of a car is definitely the engine. Just like a human heart, the goal of an engine is to pump air. Fresh, clean air comes in, flows through the intake and cylinder heads, and then gets ...

With cooling season in full swing, it is time for technicians to practice their so-called “ABCs”—that is, “airflow before charge”—when troubleshooting air conditioning systems. By far, the most common ...

An air gap is the distance between the rotor and stator of a large-scale hydroelectric generator. This gap is a very small distance in relation to the size of the rotor. Its measurement to tight ...

Community groups are fighting an unusual Louisiana law that restricts how they use data from air-quality monitors, saying it violates free speech. By Hiroko Tabuchi Since 2022, residents of St. James ...

Indoor air can be three to five times more polluted than outdoor air, according to the U.S. Environmental Protection Agency, which also notes that most people spend 90 percent of their time indoors.