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material science

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Non-cuttable material inspired by seashells

Nature is dynamic and complex. Therefore, creatures generate the most efficiently functioning biological materials. For example, abalone sea creatures have shells that resist attacks by predators to crack them open. Shells combine hard calcium carbonate crystals interleaved with softer layers of viscoelastic proteins. The interlinking... click to read more

  • Stefan Szyniszewski | Assistant Professor at Department of Engineering, Durham University, Durham, UK
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  • Miranda Anderson | Research Fellow at Philosophy and Literature, University of Stirling, Stirling, Scotland
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material science
biological
hierarchical material
non-cuttable
metallic foam
Views 1178
Reading time 3.5 min
published on Jul 21, 2021
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
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optomechanics
levitatiodynamics
material science
Views 3378
Reading time 4 min
published on Jan 21, 2019