Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

Gravity, as most people understand it, is the familiar force that pulls a falling apple toward Earth. But for astronomers and ...

Sometimes you seize the day. Sometimes the day seizes you.

Here are some simple hypermiler tricks to help you increase fuel efficiency as gas prices continue to hover at four-year ...

Abstract: In high-frequency electronic equipment and power electronic devices, the dynamic performance of switching devices is one of the important indicators, and a double-pulse test circuit is ...

Abstract: Aiming at the urgent need for attitude measurement of flight vehicles under constrained measurement capabilities or scenarios involving critical sensor data loss, this study proposes a novel ...