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Category/Subcategory: Natural Sciences/Physics

Simulation of a tensile test using smoothed particle hydrodynamics (SPH)

Author: Christian Nutto
The video shows the simulation of a tensile test. The tensile specimen is shown in a half-section. The color scheme represents the plastic strain occurring during the strain. The end of the videos shows a stress-strain diagramm o ... more

Views: 1964

Why is it so hard to detect dark matter?

Author: Euronews Knowledge
Made by euronews, the most watched news channel in Europe. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-tech experts.

Views: 990

Before the Big Bang: What Happened? - Space

Author: Euronews Knowledge
The universe was born 13.7 billion years ago with the Big Bang. But what was there before? Scientists are starting to get an answer thanks to the time-travelling Planck mission. Made by euronews, the most watched news channel i ... more

Views: 1232

Chromospheric heating - Movie 1

Author: Michal Sobotka
Time series of Ca II line-center images (69 minutes, 80 frames) and the region of interest.

Views: 894

The future in a new light - Futuris

Author: Euronews Knowledge
From the Sun, the Moon and flames, to ultra-modern semiconductors, human history is inherently bound to light. In this special edition of Futuris, we meet scientists and engineers who are making our futures brighter. Made by eu ... more

Views: 1213

Making Fire From Water - Futuris

Author: Euronews Knowledge
A euronews futuris feature from October 30, 2013. Made by euronews, the most watched news channel in Europe. euronews knowledge brings you a fresh mix of the world's most interesting know-hows, directly from space and sci-te ... more

Views: 1420

Say cheese: The whey forward in renewable plastics - Futuris

Author: Euronews Knowledge
Whey from cheese production and other agricultural waste can be a valuable raw material for new biodegradable plastic. A European research project is working on using these bi-products in laminated cardboard, food packaging and ev ... more

Views: 1104

Wave propagation in a sunspot's atmosphere

Author: Johannes Löhner-Böttcher
A sunspot observation (NOAA11823) is shown. First the sunspot (HMI continuum intensity) rotates across the solar disk. Then the region is zoomed in and changes to the high-resolution observation of the Dunn Solar Telescope. Then t ... more

Views: 1390

Animation of a setup for the synthesis of colloidal nanoparticles

Author: Christian Klinke
Animation of a setup for the synthesis of colloidal nanoparticles, as it has been used for the synthesis of cadmium selenide nanoparticles e.g. in M. Meyns et al. "Shape evolution of CdSe nanoparticles controlled by halogen compou ... more

Views: 1842

Brittle fracture in three point bending test

Author: Claas Bierwisch
Simulation of a three point bending test of a silicon crystal. The upper cylinder is pushed downward in a path-controlled trajectory. On contact, the induced stresses on the upper and lower surface are discernible. Tensile stresse ... more

Views: 2227