Monday March 25, 2019
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Framing thunder: Scientists capture first ever image of boisterous bang radiating from a lightning strike

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By NewsGram Staff Writer

Lightning, usually brings out scary images within the mind, thoughts of nature’s wrath being vented on the Earth. At the same time, lightning has been the object of the photographer’s affection, the beauty of its arc seducing their lusty lenses to capture the detail of the phenomenon.

Now, to take matters further, scientists have captured a picture of the sound that goes along with it, in what is touted as the first ever detailed image of thunder.

The image was captured by sending a copper wire into a cloud to make it send down thunder and lightning by Maher Dayeh, a heliophysicist from the Southwest Research Institute in San Antonio.

The event was recorded with 15 microphones that were laid out 95 meters from the lightning, which together helped capture the sound waves.

The images, which are made up of acoustic maps, are captured using a special equipment that can visualize the way that the sound moves in space.

Through the capturing of sound, scientists hope to gain a better understanding of the physics behind the natural strike.

Image: UNIV. OF FLORIDA, FLORIDA INSTITUTE OF TECHNOLOGY, SRI
Image:SRI

Lightning is created by electrical charges move either within a cloud or between the cloud and the ground. It causes sudden increase in pressure and temperature which produces sudden expansion of the surrounding air, which in turn results in a sonic shock wave called thunder.

Video of starting lightning with rockets

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Scientists Find Solution to Reduce Air Pollution, Develop Smart Windows

The design could lay the foundation for next-generation flexible transparent smart windows that can reduce air pollution.

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Scientists, Air pollution
The design could lay the foundation for next-generation flexible transparent smart windows that can reduce air pollution. Pixabay

A team of Chinese scientists have developed a large-scale transparent smart window that can change light intensity while effectively capturing the particulate matter in smog, a study said.

The study published on Saturday in the journal iScience described a simple solution-based process to fabricate large-area flexible transparent windows with Ag-nylon electrodes for high-efficiency PM2.5 capture, reports Xinhua news agency.

It takes only 20 minutes to fabricate 7.5 square metres of Ag-nylon flexible transparent windows showing an optical transmittance of over 86 per cent, according to the group of scientists led by Yu Shuhong from the University of Science and Technology of China (USTC).

Scientists, Air Pollution Control
The scientists found that the obtained Ag-nylon electrodes could be used as an ideal intelligent thermochromic smart window with excellent mechanical stability. Pixabay

The Ag-nylon mesh can not only change the indoor light intensity, but also purify indoor air as a high-efficiency PM2.5 filter.

The scientists found that the obtained Ag-nylon electrodes could be used as an ideal intelligent thermochromic smart window with excellent mechanical stability.

It remains stable after undergoing a bending test with 10,000 bending cycles with a minimum bending radius of 2.0 mm.

ALSO READ: Scientists Develop A New Technique to Measure Blood Clot

Also, the Ag-nylon electrodes can remove PM2.5 by 99.65 per cent while remaining stable even after 100 cycles of PM filtration and a cleaning process, according to the study.

The design could lay the foundation for next-generation flexible transparent smart windows that can reduce air pollution. (IANS)