Harald Lesch: Der Stoff, aus dem die Kohlen sind!

Deutsches Museum July 9, 2020
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1903 von dem Ingenieur Oskar von Miller gegründet, ist das Deutsche Museum in München mit rund 55.000 qm Ausstellungsfläche eines der größten und berühmtesten technisch-naturwissenschaftlichen Museen der Welt. Seine systematischen Dauerausstellungen umfassen die meisten Gebiete der Technik und die wichtigsten Gebiete der Naturwissenschaften, vom Bergbau bis zur Atomphysik. Regelmäßig finden Führungen und Vorführungen statt; Sonderausstellungen, Vorträge und Veranstaltungen ergänzen das umfangreiche Angebot.

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Kohlenstoff, Element 6 im Periodensystem, extrem bindungsfähig, spielt eine überragende Rolle im Spiel des Lebens. Es baut Ketten, Ringe, und sogar Kugeln. Leben ohne Kohlenstoff scheint unmöglich, obwohl es ein eher seltenes Element auf der Erde ist. Die Verwandlung von Licht, Wasser und Kohlenstoffverbindungen in Zucker und Sauerstoff - die Photosynthese - ist wahrscheinlich die wichtigste Reaktion der Welt. Kohlenstoff gibt es als Diamant, Graphit und Kohle. Er steckt in Öl und Gas und in fast allen Kunststoffen. Seine Moleküle absorbieren die Wärmestrahlung der Erdoberfläche und re-emittieren sie wieder - sie sind treibhauseffektive Gase. Der Vortrag von Professor Harald Lesch, in der Reihe "Wissenschaft für jedermann" handelt von all dem und der Entstehung von Kohlenstoff in den Sternen und von seinen Isotopen. Letztere beweisen, dass wir Menschen die katastrophale Erwärmung des Globus verursachen. Wir - Kohlenstofflebewesen!

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