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General Physics Sep 2, 2023

HL-LHC magnet alignment system passes crucial tests

The many CERN-developed sensors and software programs of the FRAS (Full Remote Alignment System) have been successfully tested on a prototype magnet in preparation for the HL-LHC.

Astronomy Jul 25, 2023

An 800-year-old mathematical trick could help with lunar navigation

Kamilla Cziráki, a geophysics student at the Faculty of Science of Eötvös Loránd University (ELTE), has taken a new approach to researching the navigation systems that can be used on the surface of the moon to plan future ...

Earth Sciences Jan 20, 2020

Lithospheric thickening beneath the Betics and Rif mountains pulls down the topography by 1500 m

A new study made by researchers at the Institute of Earth Sciences Jaume Almera of the Spanish National Research Council (ICTJA-CSIC) has been able to describe the effects of the lithospheric structure on the topography of ...

Quantum Physics Sep 16, 2019

Gravity surveys using a mobile atom interferometer

Mobile gravimetry is an important technique in metrology, navigation, geodesy and geophysics. Although atomic gravimeters are presently used for accuracy, they are constrained by instrumental fragility and complexity. In ...

Earth Sciences Jul 17, 2019

Gravity observations confirm that Louisiana is sinking

Louisiana is officially sinking. It has been 29 years since the National Geodetic Survey, or NGS, measured the state's subsidence. After completing four absolute gravity observations this past year, with the help of LSU's ...

Earth Sciences May 16, 2019

3-D Earth in the making

A thorough understanding of the 'solid Earth' system is essential for deciphering the links between processes occurring deep inside Earth and those occurring nearer the surface that lead to seismic activity such as earthquakes ...

Space Exploration Mar 20, 2019

Taking gravity from strength to strength

Ten years ago, ESA launched one of its most innovative satellites. GOCE spent four years measuring a fundamental force of nature: gravity. This extraordinary mission not only yielded new insights into our gravity field, but ...

Quantum Physics Nov 28, 2018

NIST atomic clocks now keep time well enough to improve models of Earth

Experimental atomic clocks at the National Institute of Standards and Technology (NIST) have achieved three new performance records, now ticking precisely enough to not only improve timekeeping and navigation, but also detect ...

Space Exploration Aug 30, 2018

The satellite on the edge of space

GOCE (pronounced go-chay), the Gravity Field and Steady-State Ocean Circulation Explorer, was one of ESA's most remarkable missions. Operating in the lowest-ever orbit of any Earth observation satellite, GOCE was on the edge ...

Space Exploration Jan 9, 2018

Saturn's moon Titan sports Earth-like features

Using the now-complete Cassini data set, Cornell astronomers have created a new global topographic map of Saturn's moon Titan that has opened new windows into understanding its liquid flows and terrain. Two new papers, published ...

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