Orientierung: Warum können wir nicht geradeaus laufen? | Quarks Dimension Ralph

Quarks Dimension Ralph March 5, 2024
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Quarks Dimension Ralph

@dimensionralph

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Herzlich willkommen bei „Quarks Dimension Ralph", dem Kanal von Quarks, in dem Ralph Caspers euch an die Grenzen der Wissenschaft mitnimmt! Schön, dass ihr hier gelandet seid! Aber war das euer freier Wille? Oder ist das, was ihr als freien Willen wahrnehmt vielleicht nur eine Illusion? Bei „Quarks Dimension Ralph“ geht es um echt komplizierte Fragen – von den Rätseln unseres Gehirns bis zu den Geheimnissen des Universums. Uns, und hoffentlich euch auch, macht es Spaß, über solche Fragen nachzudenken. Wir recherchieren gründlich, erzählen, wie Wissenschaftler:innen mit verblüffenden Experimenten nach Antworten suchen und ordnen die Ergebnisse ein. Auch wenn es für viele Fragen keine eindeutige Antwort gibt, liefern unsere Videos jede Menge Erkenntnisse mit Mindblow-Garantie. Impressum: https://www1.wdr.de/impressum/index.html Datenrichtlinie: https://www1.wdr.de/hilfe/datenschutz102.html Netiquette: https://www1.wdr.de/hilfe/kommentarregeln100.html

Video Description

Ralph Caspers fragt sich, wie das mit der Orientierung beim Laufen funktioniert. Wer sich in der Natur verirrt, soll ja angeblich im Kreis gehen. Davon erzählen nicht nur Geschichten, sondern auch Wissenschaftler. Aber ist das wirklich der Fall? Aus einer Wüste oder aus einem dichten Wald herauszufinden, das müsste am besten gehen, indem man einfach schnurstracks geradeaus geht – denn irgendwo endet jede Wüste und jeder Wald, und im besten Fall braucht man dann seine Survival-Kenntnisse gar nicht auf die Probe zu stellen. Wer dagegen im Kreis geht, kann theoretisch auf immer und ewig in demselben begrenzten Gebiet ohne Orientierung herumirren. In Studien zeigte sich: Tatsächlich weichen Menschen, die auf einem freien Feld mit verbundenen Augen geradeaus laufen sollen, ziemlich schnell von der gewünschten geraden Strecke ab. Die Menschen schaffen es kaum, mehr als 20 Meter geradeaus zu gehen. Ihre Orientierung scheint komplett zu versagen. Geradeaus gehen hört sich leichter an als es ist. Warum? Klar ist, dass einfache Erklärungen wohl nicht zutreffen; nämlich, dass zum Beispiel die unterschiedliche Beinlänge bei Menschen dazu führt, dass sie im Kreis gehen, statt geradeaus zu laufen. Ralph erzählt von einer Studie, die vor bald 100 Jahren gemacht wurde: Dabei liefen die Versuchspersonen teilweise in ziemlich engen Kreisen. Andere liefen in großen Bögen. Und alle liefen mal mehr rechts und dann wieder mehr links herum – aber nie geradeaus. Bis auf eine Ausnahme: Welche das war, verrät Ralph im Video. Wie wir Menschen uns beim Laufen orientieren, das interessiert die Wissenschaft bis heute. Das große Rätsel, warum wir nicht geradeaus laufen können, ist mittlerweile wohl gelöst. Wie Wissenschaftler des Max-Planck-Instituts für biologische Kybernetik das herausgefunden haben, erzählt euch Ralph im Video – damit ihr beim nächsten Survival-Training wisst, warum ihr es nicht schafft, auf dem kürzesten Weg aus der Wüste oder dem Wald herauszukommen. *Kapitel* 0:00 Intro 0:54 Geschichten von verirrten Menschen, die im Kreis laufen 2:56 Gehen Menschen mit verbundenen Augen im Kreis, weil sie sich nicht orientieren können? 4:41 Können sich Menschen mit offenen Augen bei Nacht, im Wald oder in der Wüste ohne Hilfsmittel orientieren? Autoren: Axel Bach, Ralph Caspers Schnitt und Grafik: Lutz Kaulmann, Christian Kloprogge (Studio Paeper) Sounddesign: Florian Ebrecht Redaktion: Nasibah Sfar *Unsere wichtigsten Quellen* F.O. Guldberg: Die Cirkularbewegung als thierische Grundbewegung, ihre Ursache, Phänomenalität und Bedeutung; in: Zeitschrift für Biologie, 1897 https://archive.org/details/zeitschriftfuer104unkngoog Asa A. Schaeffer: Spiral movement in man; in: Journal of Morphology and Physiology, 1928 https://onlinelibrary.wiley.com/doi/abs/10.1002/jmor.1050450110 Die Studie des Max-Planck-Instituts für biologische Kybernetik: Walking straight into circles; in: Current Biology, 2009 https://www.cell.com/fulltext/S0960-9822(09)01479-1 Hat dir das Video gefallen? Dann abonniere jetzt den offiziellen Quarks-Kanal mit Ralph Caspers @DimensionRalph auf YouTube! Besuche auch den offiziellen Quarks-Kanal auf YouTube: @Quarks #laufen #orientierung #dimensionralph #ralphcaspers #quarks

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