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Top sur l'invention du Kevlar

S2 E491
·
2018

Stephanie Kwolek, an American chemist, is hired by the DuPont company. She is given a mission: to find a light material to replace the steel used to reinforce tires. All this to make cars lighter in order to reduce their fuel consumption.

Levels:
Élémentaire 1re année 2e année 3e année
Subjects:
Sciences et technologie Structures et mécanismes
Skills:
Innovation Résolution de problèmes
French level:
A2 : Intermédiaire ou de survie B1 : Seuil
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E1 : Top sur le corps humain

2 min 34 s
Did you know that the human body can produce 40,000 liters of saliva? The human body is full of incredible phenomena. Here is the top on the impressive facts of the human body.
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E3 : Top sur le climat atlantique

2 min 31 s
The eastern and western regions of the country border two oceans. Yet, the weather conditions are quite different. To demystify this mystery, here is the top on the Atlantic climate!
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E4 : Top sur les façons de s'impliquer dans sa communauté

2 min 15 s
Top on ways to get involved in your community.
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E5 : Top des sports d'été

1 min 53 s
Summer is the time to get moving. Here are the top summer sports!
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E11 : Top vrai ou faux sur les objets lumineux

2 min 8 s
What makes objects luminous and allows us to see them in the dark? Photons, particles of light that these famous objects emit. Here are the top true or false facts about luminous objects.
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E12 : Top sur les sports paralympiques

2 min 8 s
If we mention Ludwig Guttmann, what do you think of? Well, the Paralympics... There are 30 in all, 24 summer sports and 6 winter sports. Here are the top ones!
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E14 : Top sur le système immunitaire

2 min 18 s
Top on the immune system.
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E18 : Top sur l'évolution de la carte du monde

2 min 32 s
Here is a top on the evolution of the world map!
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E19 : Top sur les règles de sécurité au bord de la piscine

1 min 55 s
Swimming in a pool during the summer heat is great fun but you have to be careful. Here's a top on poolside safety rules!
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E20 : Top sur les mammifères

2 min 17 s
What do the bat, the blue whale, the lion and you have in common? The answer: you are all members of the mammal family. Here is a top on mammals!
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E23 : Top sur la circulation aérienne

2 min 16 s
Every year, there are billions of airplane trips around the world. A real headache for air traffic controllers! Here is a top on air traffic!
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E24 : Top sur la déshydratation

2 min 35 s
What are the symptoms of dehydration and how to avoid getting dehydrated? Here is a top on dehydration!
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E25 : Top sur l'océan Indien

2 min 39 s
As early as the fifteenth century, European explorers passed through the Indian Ocean in search of spices. Here is a top on the Indian Ocean!
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E27 : Top sur l'énergie éolienne

2 min 18 s
We all know that wind power is generated by the wind. But how do you create electricity with a wind power plant?
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E28 : Top sur le Golden Gate

2 min 17 s
Connecting the city of San Francisco to the city of Sausalito in California, the Golden Gate is one of the most important symbols of the United States. Here is a top on the Golden Gate!
    Levels:
    Élémentaire 1re année 2e année 3e année
    Subjects:
    Sciences et technologie Structures et mécanismes
    Skills:
    Innovation Résolution de problèmes
    French level:
    A2 : Intermédiaire ou de survie B1 : Seuil