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University of Graz News Ein Himmel voller Rätsel

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Wednesday, 22 November 2017

Ein Himmel voller Rätsel

Kollision zweier Neutronensterne und die dabei entstehende Gravitationswelle: Daten von solchen Ereignissen helfen der Uni-Graz-Forschung weiter. Grafik: ESA, CC BY-SA 3.0 IGO

Kollision zweier Neutronensterne und die dabei entstehende Gravitationswelle: Daten von solchen Ereignissen helfen der Uni-Graz-Forschung weiter. Grafik: ESA, CC BY-SA 3.0 IGO

JungforscherInnen der Uni Graz nutzen Nobelpreis-Methode zur Erforschung des Universums und vernetzen sich mit internationalen Größen

Mit der Beobachtung von Gravitationswellen sorgten WissenschafterInnen vor wenigen Wochen für Furore. Nachdem zwei Neutronensterne – quasi Sternenleichen – aufeinandergeprallt waren, konnte nicht nur die durch die Explosion freigesetzte Strahlung gemessen, sondern erstmals auch durch Teleskope verfolgt werden. Dabei konnte man auch nachweisen, dass viele schwere Elemente bei solchen Ereignissen entstehen. Die aufgezeichneten Daten nutzen JungforscherInnen an der Uni Graz: Im Rahmen des Doktoratskollegs „Hadronen im Vakuum, in Kernen und Sternen“ gehen sie einigen grundlegenden Fragen über den Aufbau von solchen Neutronensternen und damit den Voraussetzungen für die Entstehung von Gold, Blei oder Uran nach. „Derzeit sind noch sehr viele Dinge ungeklärt“, weiß Teilchenphysiker Axel Maas, der an der Uni Graz in dem Bereich forscht. Eigenschaften von Neutronensternen sowie die heuer mit dem Physik-Nobelpreis gekrönte Methode zur Messung von Gravitationswellen stehen auch im Zentrum einer Fachtagung von 23. bis 24. November, zu der Koryphäen aus Italien, Spanien und den USA an die Uni Graz kommen.

created by Dagmar Eklaude

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The legal expert and her team analysed the legal situation regarding the use of artificial intelligence in education as part of an EU project and answered open questions from practice.

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Titanium dioxide, which is found in cosmetics, for example, is increasingly entering the environment in the form of nanoparticles. This could also put insects at risk. If ants ingest the substance in combination with the pesticide glyphosate, it disturbs the development of their offspring. Scientists at the University of Graz are drawing attention to the negative consequences of this toxic cocktail.

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Religious scholar Theresia Heimerl: Fasting as a spiritual boost

Fasting is not just a strategy for losing weight – it is a ritual dating back thousands of years with spiritual and evolutionary roots that has positive effects on the body. At the University of Graz, religious scholar Theresia Heimerl is investigating why fasting is a "spiritual boost".

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