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Tag archives: microscopy

Probing the quantum nature of water

 

By James Dacey in Beijing on Friday 4 November

After enjoying clear blue skies for the first couple of days of my visit to Beijing, the breeze has disappeared and the smog has taken its hold. One local scientist told me this latest wave is due to pollution from factories south-west of the city, but others have told me it is difficult to pinpoint a particular source. Facemasks are being worn by every other person in the streets, but fortunately I’ve been sheltered by the walls and ceilings of Peking University (PKU).

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Award-winning ‘Bailys Beads’, schoolyard accelerators , pulsar poems and more

 

By Tushna Commissariat

Its officially that time of the year again when we can marvel at this year’s winners of the Insight Astronomy Photographer of the Year 2016. The awards ceremony, held at the Royal Greenwich Observatory, has unveiled some truly spectacular and ethereal shots of our universe. The overall winner this year is a truly amazing composite image of the 2016 total solar eclipse that shows the ‘Baily’s Beads’ phenomenon and was taken by photographer Yu Jun in Luwuk, Indonesia. In the video above, the judges explain why this particular image was the main winner for the year.

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Making noise in the quietest room in the Netherlands

Wiggling electrons: an undulator at one of FELIX’s free-electron lasers.

By Tim Wogan in Nijmegen, the Netherlands

Tucked away near the German border is the Dutch city of Nijmegen and Radboud University, which has a treasure trove of fantastical physics facilities. I was in town for a two-day, whistle-stop tour of the university that included the the opening of the FELIX facility. FELIX stands for “free-electron laser for infrared experiments laboratory”. It is a  cavernous chamber housing four free-electron lasers that together can generate high-intensity, tunable radiation with wavelengths anywhere between 3–1500 μm. Something, I was told, that is possible nowhere else in the world.

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Web bill-of-rights, cosmic popular culture, origami microscopes and more

 

By Tushna Commissariat

This week, the Web celebrated its silver anniversary. In March 1989 CERN scientist Tim Berners-Lee proposed a rather contemporary way of linking and sharing information and so the Web was born. There have been numerous stories on the subject this week, but most interesting of all was a Guardian article where Berners-Lee called for the development of an “online Magna Carta” – a bill of rights to enshrine and protect the independence of the Web. “We need a global constitution – a bill of rights,” he said. You can read more about the 25th anniversary at the “World Wide Web Consortium”.

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