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Condensed Matter 13 hours ago

Magnetic avalanche triggered by quantum effects: 'Barkhausen noise' detected for first time

Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not ...

Optics & Photonics 13 hours ago

An on-chip photon-counting reconstructive spectrometer with tailored cascaded detector array

Superconducting nanowire single-photon detectors (SNSPDs) have been widely used in various applications requiring single photon detection thanks to their attractive performances. Since SNSPDs are thin films of serval nanometers ...

Space Exploration 16 hours ago

NASA's mission to an ice-covered moon will contain a message between water worlds

NASA's Europa Clipper spacecraft, headed to Jupiter's ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity's connection to water. The message pays homage to past NASA missions ...

Space Exploration 16 hours ago

Small satellite launch advances comms experimentation, international collaboration

In the dark, early morning sky of March 21 over NASA's Wallops Island Flight Facility on the Virginia coast, a Rocket Lab Electron rocket carried a National Reconnaissance Office (NRO) manifest featuring three collaborative ...

Quantum Physics 16 hours ago

Quantum computing just got hotter: One degree above absolute zero

For decades, the pursuit of quantum computing has struggled with the need for extremely low temperatures, mere fractions of a degree above absolute zero (0 Kelvin or –273.15°C). That's because the quantum phenomena that ...

Analytical Chemistry 17 hours ago

Researchers create reliable prediction method for oxygen reduction catalysts

Tohoku University researchers have created a reliable means of predicting the performance of a new and promising type of catalyst. Their breakthrough will speed up the development of efficient catalysts for both alkaline ...

Condensed Matter 17 hours ago

From Earth to Mars: Transporting spin information at the speed of light

Scientists have used electrical pulses to manipulate magnetic information into a polarized light signal, a discovery that could revolutionize long-distance optical telecommunications, including between Earth and Mars.

Materials Science 17 hours ago

Storing electrons from hydrogen for clean chemical reactions

Researchers from Kyushu University have developed a hydrogen energy carrier to address some of the biggest hurdles in the path toward a sustainable hydrogen economy. As explained in a paper published in JACS Au, this novel ...

Analytical Chemistry 18 hours ago

New method provides automated calculation of surface properties in crystals

Computer-based methods are becoming an increasingly powerful tool in the search for new materials for key technologies such as photovoltaics, batteries, and data transmission. Prof. Dr. Caterina Cocchi and Holger-Dietrich ...

Cell & Microbiology 18 hours ago

Scientists confirm that methane-processing microbes produce a fossil record

Communities of microbes that live in ocean sediments can consume methane. In oxygen-deprived sediments these microbes form clusters, called aggregates, that can have deposits of silica on their surfaces. It is not clear if ...

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