THINGS TO KNOWSummer is over, the sun is lower above the horizon, and the sun’s radiation becomes weaker overall. The probability of getting a sunburn also decreases significantly. But what is the actual reason for this? Why can’t you get sunburn from visible light and where does it come from instead? In a nutshell, the physical answer is: It has to do with the radiation spectrum of our sun and the size of energy packets. And with that we are already in the middle of quantum physics.
THINGS TO KNOWMore than half of all German students have a job while studying. This brings more than just financial benefits. The double burden on young people, most of whom study full-time, is enormous – but not impossible to keep up.
LIFE STORIESThe Magnus-Haus, capital representation of the DPG and seat of the regional association Physikalische Gesellschaft zu Berlin, is an important European site of the scientific history of physics. After the designation as EPS Historic Site, the ceremonial unveiling of a commemorative plaque by the presidents of the European Physical Society (EPS), Luc Bergé, and the German Physical Society (DPG), Lutz Schröter, followed on October 15, 2021, during a festive event. I was able to attend this event as a member of the Potsdam regional group of the jDPG. An unique day in the world of the DPG.
THINGS TO KNOWHow do we find the path to happiness? Should we follow our desire? Or should we rather seek “stoic tranquillity”? The philosophers of antiquity answered these questions in many different ways. Their answers can be found in the so-called “virtue ethics”.
THINGSTO KNOWIn the course of human history, numerous religions have developed in the most diverse forms. They all share a belief in something supernatural. But what is it exactly, this transcendent being, and can its existence be proven?
THINGS TO KNOWThe second Kantian question has also led to discussions between utilitarians, discourse ethicists and followers of Kant: What should I do? We humans need moral principles in order to be able to react quickly and well in certain situations.
THINGS TO KNOWLook at the picture on the right. What do you see? Black and white stripes, distorted and lying crookedly on top of each other? Well, at least that’s what your brain makes you believe. In reality, the stripes are parallel to each other. No matter whether you already know this optical illusion or not, it poses an existential question: If our brain can deceive us like this, what is still true?
THINGS TO KNOW When interpreting and analysing german texts, few things are as important as a basic knowledge of the literary epochs, because only with background knowledge of the period in which they were written can you understand most texts in depth.
THINGS TO KNOW Today, sulphuric acid is considered one of the most important chemicals of all. Due to its properties, the substance is used in numerous branches of industry. It can be produced on a large scale from sulphur by the double contact process.
THINGS TO KNOW The Holocaust, a genocide of the Jews by the Nazis during the Second World War has shaped German history like hardly any other historical event. But most of us are not aware of the resulting responsibility of the German people.