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China is planning ahead for life after coal

China's remarkable growth over the past three decades has elevated it to global superpower status. But its economic miracle has also attracted attention for the wrong reasons: the country is now the world's largest energy ...

dateMay 09, 2017 in Environment
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Heat-resistant ultrasonic transducers

Technical systems must be regularly checked for defects, such as cracks. Up to now, piezo sensors measuring pressure, force or voltage have been used to reliably detect such faults – but only to around 200 degrees Celsius. ...

dateMay 02, 2017 in Engineering
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