One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Freightliner trucks, part of Daimler Truck North America LLC (DTNA), supported high-speed runway tests for the Dream Chaser spaceplane. The collaboration with Sierra Space used a Fifth Generation ...

In this exciting video, "Elgato Test 1 - D'vorah Valentine's Tower," we dive into a high-definition quality test to explore the visual fidelity offered by Elgato technology. Join us as we navigate ...

Among the many problems with the flu is the fact that you can spread the virus before you even know you've got it. An experimental new "sensor" could one day keep you from doing so, by causing you to ...

For heart rate testing, Horst used a Polar H10 chest strap as the benchmark. The Apple Watch Ultra 2, running watchOS 26 beta, delivered results that were nearly identical to the strap during indoor ...

SpaceX launches a Boeing-made X-37B space plane on a U.S. Space Force mission with its return date undisclosed. Photo: Jennifer Briggs/Zuma Press A Pentagon spaceplane called X-37B zoomed into orbit ...

Samuel Lellouch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The U.S. Environmental Protection Agency is working to fix a long-standing headache for diesel truck and equipment operators: power cuts triggered by low diesel exhaust fluid levels. New rules will ...