Tuesday February 19, 2019
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Two scientists share 2015 Nobel Prize in Physics

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Stockholm:  The 2015 Nobel Prize for physics has been awarded to two scientists, Japan’s Takaaki Kajita and Canada’s Arthur B. McDonald, the Royal Academy of Sciences in Stockholm announced on Tuesday.

According to an official statement issued by the academy, Takaaki, 56, and McDonald, 72, were awarded for their key contributions to the experiments which demonstrated that neutrinos change identities.

This metamorphosis requires that neutrinos have mass. The discovery has changed our understanding of the innermost workings of matter and can prove crucial to our view of the universe, the statement said.

Takaaki had presented the discovery that neutrinos from the atmosphere switch between two identities on their way to the Super-Kamiokande detector in Japan.

Meanwhile, the research group in Canada led by McDonald could demonstrate that the neutrinos from the Sun were not disappearing on their way to Earth. Instead they were captured with a different identity when arriving to the Sudbury Neutrino Observatory in Ontario, Canada.

The discovery rewarded with this year’s Nobel Prize in Physics have yielded crucial insights into the all but hidden world of neutrinos, the statement added.

(IANS)

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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.

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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)