Kelsey is an Associate Editor and Social Media Coordinator based in Charlotte, North Carolina. She holds a BA in English and psychology with an emphasis on writing from the University of South ...

iPhones made in 2014+ have a barometer for real-time elevation tracking. A barometer measures air pressure, which is crucial for calculating altitude changes. The native iPhone Compass app has a built ...

In a pioneering work, NASA scientists have fitted the laser-catching telescope of the Ice, Cloud and land Elevation Satellite-2 (ICESat-2) into its place that will measure the elevation of Earth from ...