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Search results for wave engineering

Optics & Photonics Dec 21, 2023

Shock wave photographed passing through a single cell with improved nanosecond imaging technology

A microscopic shock wave has been photographed passing through a single biological cell, thanks to a new photography technique. Nanosecond photography uses ultrafast electronic cameras to take images at the speed of a billionth ...

Earth Sciences Dec 5, 2023

A shipboard monitoring system is giving researchers much-needed measurements of Antarctic wind, waves and ice

The Southern Ocean is "the engine room" for the world's climate and weather system. Across its large expanses of uninterrupted water, winds pick up speed and waves gather energy.

Astronomy Nov 30, 2023

New theory explains how magnetic switchbacks form in the solar wind

A new study develops a theory of how magnetic switchbacks are formed around the sun. This quantitative model can be used to predict magnetic field variations and potentially explain the heating and acceleration of the solar ...

Environment Nov 12, 2023

German big wave surfer turns to science to tame the breakers

Sebastian Steudtner already holds the world record for the largest wave ever surfed, but as the giant wave season begins, the German is looking to science and technology to chase a new high.

Optics & Photonics Nov 6, 2023

Team develops new method for communicating around arbitrary opaque walls

Information transfer in free space using ultraviolet, visible, or infrared waves has been gaining interest because of the availability of large bandwidth for high-data-rate communication. However, the presence of opaque occlusions ...

Environment Nov 6, 2023

Green spaces can save lives, according to urban big data

Against the backdrop of global climate change, extreme heat events are becoming hotter, longer, and more frequent. Such sustained extreme heat has severely impacted people's health all over the world.

Condensed Matter Nov 6, 2023

Detecting hidden defects in materials using a single-pixel terahertz sensor

In the realm of engineering and material science, detecting hidden structures or defects within materials is crucial. Traditional terahertz imaging systems, which rely on the unique property of terahertz waves to penetrate ...

Earth Sciences Nov 2, 2023

A monster eddy current is spinning into existence off the coast of Sydney—will it bring a new marine heat wave?

Right now, there's something big spinning off the coast from Sydney—a giant rotating vortex of sea water, powerful enough to dominate the ocean currents off south-eastern Australia.

Cell & Microbiology Nov 2, 2023

Imaging advance poised to provide new insights into reproduction and infertility

Researchers have developed a new optical coherence tomography (OCT) approach that can directly image coordination of tiny hair-like structures known as motile cilia in their natural environment. The ability to observe cilia ...

Condensed Matter Oct 16, 2023

Photonic crystals bend light as though it were under the influence of gravity

A collaborative group of researchers has manipulated the behavior of light as if it were under the influence of gravity. The findings, which were published in the journal Âé¶¹ÒùÔºical Review A on September 28, 2023, have far-reaching ...

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