Archive: 05/26/2014

Measuring fine dust concentration via smartphone

Big cities in the smog: Photos from Beijing and, more recently, Paris clearly illustrate the extent of fine dust pollution. But what about our direct environment? What is the pollution concentration near ...

May 26, 2014
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Ecological benefits of gardening wildflowers

Are you feeling inspired from watching the Chelsea Flower Show? Do you long for an immaculate, well-designed garden, full of well-behaved plants, brimming with colourful flowers and attractive foliage? The ...

May 26, 2014
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Supercritical fluids explained

When we boil a kettle, we observe what scientists call a phase transition: the water changes from being a liquid to a gas as water becomes less dense. One litre of water boils to give about 1,000 litres of ...

May 26, 2014
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