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22 Current news of Institute of Physics

Graphene microphone outperforms traditional nickel and offers ultrasonic reach

01-Dec-2015 - 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 15 dB higher sensitivity compared to a commercial microphone, at frequencies up to 11 ...

acoustics graphene material science +1

Exploring the physics of a chocolate fountain

26-Nov-2015 - A 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. "Chocolate fountains are just cool, aren't they!" says Adam ...

chocolates fluid dynamics physics +1

Using magnetic permeability to store information

14-Sep-2015 - Scientists have made promising steps in developing a new magnetic memory technology, which is far less susceptible to corruption by magnetic fields or thermal exposure than conventional memory. The findings, which report the use of magnetic permeability - how easily a magnetic field will ...

Institute of Physics magnetic fields magnetic memory +1

Next generation of 2D materials

07-Apr-2014 - As the properties and applications of graphene continue to be explored in laboratories all over the world, a growing number of researchers are looking beyond the one-atom-thick layer of carbon for alternative materials that exhibit similarly captivating properties. One of these materials is ...

boron building blocks carbon +8

Anti-counterfeit 'fingerprints' made from silver nanowires

24-Mar-2014 - Unique patterns made from tiny, randomly scattered silver nanowires have been created by a group of researchers from South Korea in an attempt to authenticate goods and tackle the growing problem of counterfeiting. The nanoscale 'fingerprints' are made by randomly dumping 20 to 30 individual ...

dyes fluorescence fluorescent dyes +5

Against abrupt stop to geoengineering method

19-Feb-2014 - As a range of climate change mitigation scenarios are discussed, University of Washington researchers have found that the injection of sulfate particles into the atmosphere to reflect sunlight and curb the effects of global warming could pose a severe threat if not maintained indefinitely and ...

aerosols biodiversity climate change +4

Brain process takes paper shape

14-Feb-2014 - A paper-based device that mimics the electrochemical signalling in the human brain has been created by a group of researchers from China. The thin-film transistor (TFT) has been designed to replicate the junction between two neurons, known as a biological synapse, and could become a key component ...

biocompatibility Institute of Physics Nanjing University +8
image description

3D printing used as a tool to explain theoretical physics

10-Dec-2013 - Students may soon be able to reach out and touch some of the theoretical concepts they are taught in their physics classes thanks to a novel idea devised by a group of researchers from Imperial College London. In new study published in the journal EPL, the researchers have successfully ...

Imperial College London Institute of Physics

A Whirling Dervish puts physicists in a spin

27-Nov-2013 - A force that intricately links the rotation of the Earth with the direction of weather patterns in the atmosphere has been shown to play a crucial role in the creation of the hypnotic patterns created by the skirts of the Whirling Dervishes. This is according to an international group of ...

Institute of Physics Universidad Nacional Autónoma de México Université de Lorraine +1

Artificial heart to pump human waste into future robots

11-Nov-2013 - A new device capable of pumping human waste into the "engine room" of a self-sustaining robot has been created by a group of researchers from Bristol. Modelled on the human heart, the artificial device incorporates smart materials called shape memory alloys and could be used to deliver human ...

fuel cells Institute of Physics pumps +4