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Earth Sciences Mar 25, 2021

Major Earth satellite to track disasters, effects of climate change

Designed to spot potential natural hazards and help researchers measure how melting land ice will affect sea level rise, the NISAR spacecraft marks a big step as it takes shape.

Earth Sciences Mar 8, 2021

Unique sensor network for measuring greenhouse gases

The sensor network MUCCnet (Munich Urban Carbon Column network) consists of five high-precision optical instruments that analyze the sun's light spectra. They measure the concentration of the gases carbon dioxide (CO2), methane ...

Space Exploration Jan 7, 2021

7 things to know about the NASA rover about to land on Mars

With only about 50 million miles (80 million kilometers) left to go in its 293-million-mile (471-million-kilometer) journey, NASA's Mars 2020 Perseverance rover is nearing its new planetary home. The spacecraft has begun ...

Optics & Photonics Dec 30, 2020

Designing Dirac vortex topological photonic crystal fibres

Optical fibres made of topological photonic crystals allow improved versatility and control across the modes and polarization of light they transmit. Compositionally, photonic crystals contain bandgaps to prevent the passage ...

Social Sciences Dec 29, 2020

Sociologist details how, why privilege plays role in criminal courts

A chance encounter five years ago in a Chicago-area courtroom altered the course of sociologist Matthew Clair's academic life. While a graduate student researching the criminal justice system, Clair and a colleague often ...

General Âé¶¹ÒùÔºics Nov 30, 2020

Math enables custom arrangements of liquid 'nesting dolls'

While the mesmerizing blobs in a classic lava lamp may appear magical, the colorful shapes move in response to temperature-induced changes in density and surface tension. This process, known as liquid-liquid phase separation, ...

Other Nov 12, 2020

The way we use data is a life or death matter – from the refugee crisis to COVID-19

In moments of crisis we often turn to data in an attempt to both understand the situation we are in, and to look for answers of how to escape.

Optics & Photonics Nov 2, 2020

Single-shot 3-D wide-field fluorescence imaging with a computational miniature mesoscope

The online feature cover photograph on Science Advances this week displays fluorescence imaging with a computational miniature mesoscope (CM2). The technique of fluorescence imaging is an essential tool for biologists and ...

General Âé¶¹ÒùÔºics Sep 24, 2020

SLAC invention could make particle accelerators 10 times smaller

Particle accelerators generate high-energy beams of electrons, protons and ions for a wide range of applications, including particle colliders that shed light on nature's subatomic components, X-ray lasers that film atoms ...

Nanomaterials Sep 7, 2020

A tiny instrument to measure the faintest magnetic fields

Âé¶¹ÒùÔºicists at the University of Basel have developed a minuscule instrument able to detect extremely faint magnetic fields. At the heart of the superconducting quantum interference device are two atomically thin layers of ...

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