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Research News

27 Nov 2015

Graphene microphone outperforms traditional nickel and offers ultrasonic reach

Scientists have developed a graphene based microphone nearly 32 times more sensitive than microphones of standard nickel-based construction. The researchers, based at the University of Belgrade, Serbia, created a vibrating membrane – the part of a condenser microphone which converts the sound to a current – from graphene, and were able to show up to...

25 Nov 2015

Exploring the physics of a chocolate fountain

A University College London (UCL) mathematics student has worked out the secrets of how chocolate behaves in a chocolate fountain, answering the age-old question of why the falling ‘curtain’ of chocolate surprisingly pulls inwards rather than going straight downwards. The results are published today, 25th November 2015, in European Journal of Physics. ‚ÄúChocolate fountains are...