The best way to find buried treasure may be with a quantum gravity sensor. In these devices, free-falling atoms reveal subtle variations in Earth’s gravitational pull at different places. Those ...

A gravity sensor is not the kind of equipment that comes to mind when you think of treasure hunting. But this one might just be the best treasure-hunting gear out there-if you can get one for yourself ...

U.K.-based researchers have, for the first time, field tested a quantum gravity surveying instrument that could potentially produce Google-type maps of the subsurface. By eliminating the "noise" of ...

To find features like groundwater under Earth's surface — or under the surface of another world — scientists can sense the subtle marks those features leave in the planet's gravitational field. But ...

Buckle up, nerds: NASA is building the first quantum gravity sensor for space—a suitcase-sized instrument that could soon be measuring everything from subterranean water to hidden reserves of ...

Unlike gravitational wave detectors, we used a triangular optical cavity, not a linear optical cavity in order to decrease the noise level of the displacement sensor and maintain stable operation of ...

Scientists can learn a lot about a planet by measuring the strength or changes in gravity over an area. Examining variations in gravity lets them calculate the underlying rock’s density and its ...

Of the four fundamental forces, gravity is the most familiar—seemingly unchanging, ubiquitous, and maybe even a little boring. We first meet gravity while dropping our first toys, and later get to ...

Within one second of the big bang, the first newborn black holes may have announced their formation with gravitational waves that stretched and squeezed the fabric of existence as they rippled outward ...