Terra X

This channel was not officially created by Terra X. It was created by alugha to bundle all the videos from this producer into one channel and make it easier to locate them.

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Videos

Die Geschichte der Farbe Purpur

Der Sage nach wurde Herakles zum Erfinder der Purpur-Färberei. Wer in der realen Welt dafür verantwortlich war, ist noch nicht ganz klar. Denn auch die Phönizier handelten schon früh mit dem begehrten Stoff. Author: ZDF/Terra X/H. Schmidt/S. Trimbuch/Spiegel TV/M. Heß Transkript: alugha Klick hie

What the pi constant represents

Pi is the ratio of a circle’s circumference to its diameter. And it doesn’t matter how big or small the circle is, the ratio always stays the same: pi. That’s why pi is called a constant. Authors: ZDF/Terra X/Bilderfest/Lena Paul/Dirk Hagen/Saba Bussmann/Jochen Schmidt Translation and dubbing: alu

Tournaments in the Middle Ages

Helmet decorations, breastplate hooks, iron rings for horses, or modified shields: historians and weapons experts can piece together all kinds of details from contemporary tournament depictions. Authors: ZDF/Terra X/G. Graffe/C. Moroni/Gruppe 5/Maximilian Heß Translation and dubbing: alugha Click

How can temperature be defined?

Atoms and molecules are always in motion. Temperature reflects how intensely they move. The faster they move, the hotter it gets, and vice versa, right down to absolute zero, where everything stops. To define temperature, there are different scales. Authors: ZDF/TerraX plus/Bilderfest/Paul Grumer/M

Aberglaube im Laufe der Zeit

Aberglaube begleitet den Menschen seit Jahrtausenden. Was als Aberglaube gilt, hat je nach Epoche unterschiedliche Ursprünge. Meist wurde der Begriff abwertend verwendet und bezeichnete alles, was nicht zur etablierten Kultur und Religion passte. Author: ZDF/Terra Xplore/Labo M GmbH/Maria Patz/Marc

Feudalism in the Middle Ages

Medieval society was built on the feudal system. Lords granted their land, while vassals pledged loyalty in return. The famous feudal pyramid illustrates the rigid hierarchies of the time. Authors: ZDF/Terra X/G. Graffe/C. Moroni/Gruppe 5/Maximilian Heß Translation and dubbing: alugha Click here

Why Don’t Sleeping Birds Fall Off Branches?

When a bird lands on a branch, it bends its legs, tightening the tendons and curling its toes around the branch. The deeper it squats, the tighter its grip becomes. Authors: ZDF/3sat/nano/Autorenkombinat/Holger Barthel und Daniel Beißmann/Markus Wohn/Maximilian Heß Translation and dubbing: alugha

How is marble formed?

Artists such as Michelangelo created masterpieces from marble quarried near Carrara. The formation of this marble began 200 million years ago in a shallow, warm ocean. Authors: ZDF/Terra X/O. Gurr/L. Bockius/E. Jesse/KawomGbR/K22/M. Heß Translation and dubbing: alugha Click here to see more video

New York's Geography

New York City is divided into five boroughs and sits at a river mouth. This has historically been beneficial for shipping, trade, and immigration. However, the rising sea level poses a threat to the city. Authors: ZDF/Terra X/Bilderfest/Florian Breier/ Holger Neuhäuser/ Katharina Weiss/M. Heß Tran

The History of the Brocken

The Harz is Germany's highest low mountain range and formed around 330 million years ago. But one of its peaks is about 40 million years younger: the Brocken, the highest peak in the Harz Mountains. Authors: ZDF/Terra X/K22/C. Eppelmann/E. Frank/S. Engel/Kawom/M. Heß Translation and dubbing: alugh

What happened during the Cambrian explosion?

Around 500 million years ago, where the Atlantic is today, the Iapetus Ocean existed, a vast primordial sea dividing the continents of the time. In these waters, an evolutionary explosion unfolded. Authors: ZDF/Terra X/O. Gurr/L. Bockius/E. Jesse/KawomGbR/K22/M. Heß Translation and dubbing: alugha

Formed by ice: The North German Plain

Southern and Northern Germany are topographically very different. But why is the North German Plain so flat? It was shaped by glacial masses during the last two ice ages. Autor: ZDF/Terra X/K22/C. Eppelmann/E. Frank/S. Engel/Kawom/M. Heß Translation and dubbing: alugha Click here to see more vide