Search results for x-ray

Astronomy Apr 12, 2024

Stellar winds of three sun-like stars detected for the first time

An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three sun-like stars by recording the X-ray emission from their astrospheres, and ...

Space Exploration Apr 12, 2024

NASA unveils probe bound for Jupiter's possibly life-sustaining moon

US space scientists on Thursday unveiled the interplanetary probe NASA plans to send to one of Jupiter's icy moons as part of humanity's hunt for extra-terrestrial life.

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 ...

Analytical Chemistry Apr 10, 2024

New spectrometer helps identify alternative catalyst materials for affordable hydrogen fuel cells

Fuel cells are quickly becoming a viable, clean energy alternative to commonly used fossil fuels, such as gasoline, coal, and oil. Fossil fuels are non-renewable energy resources that release carbon dioxide into the atmosphere.

Optics & Photonics Apr 9, 2024

Electro-optic 3D snapshot of a laser wakefield accelerated kilo-ampere electron bunch

Invented by T. Tajima and J. Dawson, laser wakefield acceleration (LWFA) harnesses the power of high-intensity laser pulses to drive plasma waves with acceleration gradients orders of magnitude higher than conventional RF-based ...

Soft Matter Apr 9, 2024

New method achieves 4D imaging of fluids in pores

A method based on CT (computed tomography)—a type of imaging that is widely used in hospitals—can help improve our understanding of CO2 storage, batteries, and processes in the body such as nutrient uptake.

General Physics Apr 8, 2024

A physicist uses X-rays to rescue old music recordings

Researchers are developing a technique that uses the special synchrotron X-ray light from the Swiss Light Source SLS to non-destructively digitize recordings from high-value historic audio tapes—including treasures from ...

Space Exploration Apr 8, 2024

Nukes in space: A bad idea in the 1960s, an even worse one now

The US and Japan are sponsoring a resolution for debate by the United Nations security council which—if passed—will reaffirm international commitments to the 1967 outer space treaty (OST) forbidding the deployment and ...

Astronomy Apr 8, 2024

Researchers enable detection of remarkable gravitational-wave signal

Researchers from the University of Portsmouth's Institute of Cosmology and Gravitation (ICG) have helped to detect a remarkable gravitational-wave signal, which could hold the key to solving a cosmic mystery.

Astronomy Apr 8, 2024

Inexplicable cloud of magnetized plasma found in Hydra galaxy cluster

High sensitivity radio observations have discovered a cloud of magnetized plasma in the Hydra galaxy cluster. The odd location and shape of this plasma defy all conventional explanations. Dubbed the Flying Fox based on its ...

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