Be it in its role as a natural UV absorbent, climate gas, or health factor – the ozone concentration in the atmosphere is of interest to society for various reasons. For decades, global measuring programmes have investigated how the ozone content changes due to human influence. Ozone sondes attached to weather balloons, which can reach altitudes of 35 km, are still an indispensable source of data. Forschungszentrum Jülich plays an important role in this context: since 1996, it has been running the World Calibration Center for Ozone Sondes (WCCOS). In early November, calibration measurements for the NASA-headed SHADOZ network took place here.
Quantum mechanics is one of the central pillars of modern physics. This mathematically complex theory which allows the properties and laws of matter to be described is, however, rather to understand intuitively. Generations of young scientists have approached this difficult concept with the help of double-slit experiments that clearly demonstrate wave – particle duality. Two new videos from the Jülich Centre for Neutron Science (JCNS) offer a practical alternative to this.
The videos clarify fundamental aspects of quantum mechanics using neutron scattering experiments from research undertaken at the Jülich institute. The videos are around 5 and 4 minutes in length respectively, and are appropriate for use in an introductory lecture course in quantum mechanics or for self-study purposes.
Video 1: quantization, quantum phase transitions and scattering at lattices
Quelle: Forschungszentrum Jülich/TRICKLABOR
Jülich Blogs is the blog platform of Forschungszentrum Jülich, one of the largest research centres in Europe. In addition to the company website, which provides information in a neutral manner at www.fz-juelich.de, our blog entries are full of colourful and enthusiastic first-hand information: scientists, PhD students, and employees of Forschungszentrum Jülich write about their work as well as challenges and successes in their laboratories, and grant personal insights to Jülich research.