Joyce's Choice of the Day

Two senior engineering majors have invented and built a way to use sound waves to put out fires.

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Joyce's Recent Choices

Chinese scientists have built the world’s first hydrogen-powered tram

            In an effort to mitigate the ridiculous amounts of smog that cloud China’s biggest cities, local scientists have teamed up to develop the world’s first hydrogen-fuelled tram. Manufactured by the Sifang Company, which is a subsidiary of the China South Rail Corporation, in conjunction with several research institutions around the country, it gets enough power from one tank of hydrogen to travel 100 kilometres at a top speed of 70 km/h, and can...

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Joyce's Recent Choices

89 Year Old Man Develops Bladeless Bird-Friendly Wind Turbine

    The potential damage to bird and bat populations by large wind turbines is often used as an argument against more wind power installations, and serves as great fodder for comments here when we publish something about wind technology. But there are other options for viable wind turbines that are claimed to be bird- and bat-friendly, including the Catching Wind Power (CWP) device, which will soon be tested, improved upon, and manufactured by Sigma Design. The CWP Compressed...

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France decrees new rooftops must be covered in plants or solar panels

              Rooftops on new buildings built in commercial zones in France must either be partially covered in plants or solar panels, under a law approved on Thursday. Green roofs have an isolating effect, helping reduce the amount of energy needed to heat a building in winter and cool it in summer. They also retain rainwater, thus helping reduce problems with runoff, while favouring biodiversity and giving birds a place to nest in the urban jungle,...

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Joyce's Recent Choices