Search results for compact structures

General Physics Jun 12, 2024

Engineer explains the science behind metamaterials and MRI enhancement

In recent years, the field of metamaterials has experienced substantial growth, revealing exciting potential, especially in advancing magnetic resonance imaging (MRI) technology. Three new studies led by Dr. Xin Zhang, a ...

Astronomy Jun 7, 2024

Researcher suggests that gravity can exist without mass, mitigating the need for hypothetical dark matter

Dark matter is a hypothetical form of matter that is implied by gravitational effects that can't be explained by general relativity unless more matter is present in the universe than can be seen. It remains virtually as mysterious ...

Optics & Photonics Jun 3, 2024

Sorting complex light beams: New metasurface design advances optical physics

In the dynamic realm of optical physics, researchers are continually pushing the boundaries of how light can be manipulated and harnessed for practical applications.

Optics & Photonics May 31, 2024

New imager acquires amplitude and phase information without digital processing

Researchers at the University of California, Los Angeles (UCLA) have achieved a significant milestone in optical imaging technology. A new all-optical complex field imager has been developed, capable of capturing both amplitude ...

Environment May 31, 2024

Can satellites combat wildfires? Inside the booming 'space race' to fight the flames

As the threat of wildfire worsens in California and across the world, a growing number of federal agencies, nonprofit organizations and tech companies are racing to deploy new technology that will help combat flames from ...

Astronomy May 31, 2024

X-ray binary Swift J1727.8-1613 has a large relativistic jet, observations show

Using the Very Long Baseline Array (VLBA) and the Long Baseline Array (LBA), astronomers have observed a black hole low-mass X-ray binary known as Swift J1727.8-1613. As a result, they found that the system hosts a highly ...

Optics & Photonics May 30, 2024

Researchers develop ultrafast wavemeter that employs spectral–spatial–temporal mapping

Accurate high-speed measurements of wavelength are fundamental to optical research and industrial applications, such as environmental monitoring, biomedical analysis, and material characterization.

Astronomy May 29, 2024

First detection of magnetic massive stars outside our galaxy

For the first time, magnetic fields have been detected in three massive, hot stars in our neighboring galaxies, the Large and Small Magellanic Clouds. While magnetic massive stars have already been detected in our own galaxy, ...

Earth Sciences May 22, 2024

NASA's compact infrared cameras enable new science

A new, higher-resolution infrared camera outfitted with a variety of lightweight filters could probe sunlight reflected off Earth's upper atmosphere and surface, improve forest fire warnings, and reveal the molecular composition ...

Analytical Chemistry May 20, 2024

Study shows alkyl-aromatic hybrid micelles can form from emergent umbrella-shaped molecules

Micelles assemble in water from amphiphilic molecules, composed of hydrophilic and hydrophobic frameworks. They can be found all around us, for example in soaps, detergents, and shampoos. Their main application is the water-solubilization ...

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