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Maths, Physics & Chemistry

showing 6-10 of 14 breaks

Leidenfrost reinvents the wheel

We often test the temperature of our frying pans by throwing a few droplets of water: if they skate over the hot surface, it is time to cook our pancakes! Water mobility indeed arises above a well-defined temperature, as described in 1756 by Johan Leidenfrost... click to read more

  • Ambre Bouillant | PhD student at PMMH, ESPCI-Paris, PSL Research University, Paris, France
  • David Quéré | Research Director at PMMH, ESPCI-Paris, PSL Research University, Paris, France
Views 1013
Reading time 3.5 min
published on Mar 27, 2019
Silencing a quantum drum

To a classical physicist, there is no fundamental limit to how well you can measure something. A classical object, for example, always exists in a well-defined position; if you want to know that position with better accuracy, you simply build a better microscope. The story... click to read more

  • David Mason | Postdoctoral Research Fellow at Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
  • Massimiliano Rossi | PhD student at Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
  • Albert Schliesser | Professor at Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
Views 1189
Reading time 4 min
published on Feb 27, 2019
DNA G-Quadruplexes: ‘knot’ that simple!

Known as the "molecule of life", DNA is found in every cell in our body, providing a set of instructions for the function and organization throughout our bodies. These instructions are encoded by only four structural variations, abbreviated to A, C, G and T. While... click to read more

  • Mateus Webba da Silva | Professor at School of Pharmacy and Pharmaceutical Sciences, Biomedical Sciences Research Institute, Ulster University, Coleraine, UK
  • Scarlett Dvorkin | PhD Student at School of Pharmacy and Pharmaceutical Sciences, Biomedical Sciences Research Institute, Ulster University, Coleraine, UK
Views 1337
Reading time 3.5 min
published on Feb 20, 2019
What can citrus teach us about fluid dispersal?

The avid citrus consumer knows it is impossible to peel an orange and keep your fingers dry, even if the precious fruit inside remains unmolested. Others will have noticed the ephemeral and fragrant mist that is emitted when peels are broken and tiny fluid jets... click to read more

  • Andrew Dickerson | Assistant Professor at Dept. of Mechanical and Aerospace Engineering, University of Central Florida, USA
Views 995
Reading time 4 min
published on Feb 6, 2019
Creating the world’s fastest rotating object

Fighter jet aircrafts need to be fast. It therefore appears intuitive to make their turbines spin at the highest rotation rates possible. Following this approach, one will encounter an unpleasant surprise. At rotation rates around 1000 revolutions per second, the turbine blades start to disintegrate,... click to read more

  • Rene Reimann | Postdoctoral Research Fellow at Photonics Laboratory, ETH Zurich, Zurich, Switzerland
Views 1146
Reading time 4 min
published on Jan 21, 2019