Whether you’re heading for some adventures soon, or just like knowing things like your current elevation, follow along for how to measure altitude with iPhone. iPhones have an impressive amount of ...

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate. In 2003, engineers from Germany and ...

A portable optical lattice clock on a trailer has been used to measure elevation deep inside a mountain near the France-Italy border. Although this elevation measurement is not as precise as ...

The LPS331AP pressure-sensing device from STMicroelectronics allows mobile phones and other portable devices to calculate their vertical elevation relative to sea-level with very high accuracy. This ...

The Ziplevel Pro-2000 High Precision Altimeter is a precise pressurized hydrostatic altimeter that can replace laser levels on job sites. One person working alone can set up in minutes to level and ...

Barometric altimeters are most common, and measure altitude above sea level using atmospheric pressure. Modern commercial ...

CHICAGO--A Field Museum scientist has developed a novel way to determine land elevation as continents moved around the Earth through geological ages. Knowing how high mountains and plateaus were in ...