Search results for compact structures

Space Exploration Apr 17, 2024

NASA Goddard to build quake detector for Artemis III moon landing

NASA's Goddard Space Flight Center in Greenbelt, Maryland, will build a moonquake detector for astronauts to deploy on the moon in 2026 during the Artemis III mission, which will return astronauts to the lunar surface for ...

Astronomy Apr 16, 2024

Citizen science project classifying gamma-ray bursts

When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic ...

General Physics Apr 12, 2024

Designing a cost-effective X-ray free electron lasers facility

Many advances in structural science since the 1970s were made by probing materials with synchrotron radiation: that is, high energy X-rays generated through accelerating high-energy electrons. The latest generation of such ...

Condensed Matter Apr 11, 2024

Efficiency boost: Dual light pulses minimize energy for phase transitions

Researchers have explained the mechanisms behind a counterintuitive phenomenon: Making a phase transition effective requires less energy if it is initiated by two pulses of light instead of just one. The energy needed to ...

Archaeology Apr 11, 2024

Pacific cities found to be much older than previously thought

New evidence of one of the first cities in the Pacific shows they were established much earlier than previously thought, according to new research from The Australian National University (ANU).

Optics & Photonics Apr 4, 2024

Team develops portable swept-source Raman spectrometer for chemical and biomedical applications

In 1928, Indian physicist Sir C. V. Raman and his colleague K. S. Krishnan discovered that when light interacts with matter, parts of the scattered light undergo changes in energy due to interaction with molecular vibrations, ...

Astronomy Apr 3, 2024

Webb probes an extreme starburst galaxy

A team of astronomers has used NASA's James Webb Space Telescope to survey the starburst galaxy Messier 82 (M82). Located 12 million light-years away in the constellation Ursa Major, this galaxy is relatively compact in size ...

Optics & Photonics Apr 3, 2024

Reimagining quantum dot single-photon sources: A breakthrough in monolithic Fabry-Perot microcavities

Self-assembled semiconductor quantum dots (QDs) represent a three-dimensional confined nanostructure with discrete energy levels, which are similar to atoms. They are capable of producing highly efficient and indistinguishable ...

Optics & Photonics Apr 1, 2024

Revolutionizing spectrometry with ultra-simplicity: Disrupting conventional designs through novel diffraction computing

Spectrometers are crucial scientific instruments in various research fields and have consistently served as indispensable tools for foundational research. However, the unwieldy size of conventional spectrometers poses challenges ...

Analytical Chemistry Mar 28, 2024

Chemists develop method to confirm mRNA vaccine stability

University at Albany researchers at the RNA Institute have developed a new method to test COVID-19 vaccine integrity that could allow anyone with basic skills in vaccine handling to detect expired vaccines quickly and effectively, ...

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