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Plants & Animals Nov 30, 2023

Measuring periodical cicadas' chorus with fiber optic cables

Hung from a common utility pole, a fiber optic cable—the kind bringing high-speed internet to more and more American households—can be turned into a sensor to detect temperature changes, vibrations, and even sound, through ...

Quantum Physics May 17, 2023

Team demonstrates quantum advantage on optimization problems with a 5,000-qubit programmable spin glass

Over the past decades, researchers and companies worldwide have been trying to develop increasingly advanced quantum computers. The key objective of their efforts is to create systems that will outperform classical computers ...

Environment Feb 20, 2023

California's biggest environmental cleanup leaves lead contamination and frustration

California's largest and most expensive environmental cleanup has failed to properly remove lead pollution from some homes and neighborhoods near a notorious battery recycler in southeast Los Angeles County, leaving residents ...

Optics & Photonics Feb 13, 2023

Development of ultrasensitive photoacoustic hydrogen sulfide sensor with fast response

Hydrogen sulfide (H2S) is a silent threat that is responsible for many incidents of toxic exposure, but the indispensable role of H2S has also been recognized in cellular signaling and protection and in regulating numerous ...

Optics & Photonics Oct 12, 2022

Researchers design novel doubly resonant photoacoustic gas sensor

Gas sensors based on photoacoustic spectroscopy (PAS) have advantages of tunable diode laser absorption spectroscopy (TDLAS), such as high sensitivity, high selectivity, and wide dynamic range. The sensor performance required ...

Analytical Chemistry Sep 28, 2022

Synergistic catalysts for high-efficiency hydrogen storage

Hydrogen energy is regarded as promising renewable energy. However, the development of hydrogen energy is restricted by the safe and efficient storage and transportation of hydrogen. Therefore, it remains challenging to explore ...

Environment Apr 6, 2022

Intraseasonal variability modes and their dynamics in North Equatorial Current/Undercurrent region

As the origin of the western boundary currents and the boundary between tropical and subtropical gyres in the North Pacific, the North Equatorial Current (NEC) plays a significant role in the water mass balance and heat budget ...

Plants & Animals Dec 22, 2021

Study reveals a greater diversity of Iberian spiders that were previously unknown

Populations of peninsular spiders that make aerial spider webs and move around the air by ballooning (using the silk threads as parachutes) present a more homogeneous genetics structure and are better connected between them. ...

Economics & Business Nov 10, 2021

Pay-for-performance incentives may put innovation at risk

Managers looking to create social conditions that lead to open, diversified and large networks—which are known to spur innovation—should avoid implementing pay-for-performance incentives that rest on short-term and quantitative ...

General Physics Oct 6, 2021

Just how big was the 2020 Beirut explosion?

On Aug. 4, 2020, one of the largest non-nuclear explosions in history pulverized a Beirut port and damaged more than half the city. The explosion resulted from the detonation of tons of ammonium nitrate, a combustible chemical ...

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