Founded by two veterans of Apple’s still-secret driverless car project, Aeva is a startup promising a different kind of lidar—one that can measure the velocity of objects in addition to their distance ...

Learn how to calculate the angular velocity required to create artificial gravity in a rotating system. This video explains the physics behind centripetal acceleration, rotation radius, and angular ...

Stream gaging sure was a dapper occupation at the turn of the century! Here’s the various techniques United States Geological Survey hydrologists used to measure current without even dipping a toe ...