Search results for “GESIPA GmbH”

Visual Perception – How It Works

Click here to see more videos: https://alugha.com/mysimpleshow Every day we perceive many visual impressions. We can differentiate a multitude of colors in a bunch of flowers, and we can respond in a matter of seconds when driving a car. But what do we actually know about visual perception? Learn t

Explaining the size of space using glow sticks

The size of space seems insurmountable - astronomer Francesco Pepe uses glow sticks to visualize the incredible vastness. Authors: ZDF/3sat/nano/Autentic Production GmbH /K.Pecher/Fabian Korbinian Wolf/Sebastian Riezler/Original sound: Francesco Pepe Translation and dubbing: alugha Click here to

Historical development of xenophobia

Prejudices against foreigners have already been handed down from ancient times. The ancient Greeks called foreigners "barbarians". At first, this only referred to everyone who did not speak Greek. Author: 3sat/nano/SPIEGEL TV GmbH /Denise Dismer, John A. Kantara/Jakob Kastner/Ezra Tsegaye/Jochen Sc

What function do heart valves have

The healthy heart has two atria and two ventricles. The atria collect the blood. The larger heart chambers, the ventricles, suck up the blood and then return it to the cardiopulmonary circulation. Author: ZDF/3sat/nano/Südkino Filmproduktion GmbH/Berndt Welz/Hannah Dewies/Tim Sprado/Jochen Schmidt

The history of colonialism

The history of European colonialism began about 500 years ago. At that time, powerful people from Europe sent sailors all over the world to occupy large territories. They called these territories "colonies". Author: ZDF/Pur+/gomie production GmbH/Nadja Stein/Richard Bade/Manos Dosis/Maximilian Tr

Creation of the Mediterranean Sea

Only a huge flood catastrophe 5.3 million years ago caused the Mediterranean Sea to develop in its present form. From the Atlantic immense water masses flowed over the dam near Gibraltar and filled the dried up Mediterranean basin. Author: ZDF/3sat/nano/Gregor Steinbrenner/Kelvin Film GmbH/Sylvia L

Metric System - explained simply

The Metric System is a universal way to measure many different things. But how does it work and who invented it? We explain these and other aspects of the Metric System in this simpleshow. Click here to see more videos: https://alugha.com/mysimpleshow Authors: Roman Ilyushenko, Nicolai Nobis The

This is how a heart attack happens

The origin may be coronary heart disease. In this case, circulatory disorders occur due to calcium deposits in the coronary vessels. In the worst case, this "arteriosclerosis" can lead to a heart attack. Author: ZDF/3sat/nano/Südkino F i l m p r o d u c t i o n GmbH/Berndt Welz/Hannah Dewies/Tim Sp

Nerve impulses in the heart

In a healthy heart, nerve impulses originate solely within the heart itself. The wall of the right atrium contains special cells for this purpose. Specifically, in the sinus node, the natural pacemaker of the heart. Authors: ZDF/3sat/nano/Südkino F i l m p r o d u k t i o n GmbH/Berndt Welz/Hannah

The function of the heart

The heart is the engine of the blood circulation. It supplies every cell in our body with oxygen and nutrients and removes end products of metabolism. The heart pumps approximately 8,000 to 10,000 liters of blood through the body per day. Author: ZDF/3sat/nano/Südkino F i l m p r o d u c t i o n Gm

How Does A Rocket Escape Earth's Gravity

How do rockets break through gravity? Maths is all around us. It’s almost impossible to think of something that’s made without the help of mathematics. In this simpleshow we explain how maths made space travel a reality. Authors: Roman Ilyushenko, Nicolai Nobis The information for this video is p