1 Saison
573 Épisode
C'est pas sorcier - Season 1 Episode 195 Les ballons : c'est gonflé !
Fred et Jamy veulent se lancer dans un tour du monde en ballon. Ils décident d'apprendre à piloter une montgolfière. N'allez pas croire que cette grosse enveloppe capable de piéger 2200 m3 d'air chaud se laisse guider facilement ! Il faut connaître le principe de la poussée d'Archimède, bien calculer le volume d'air chaud nécessaire au décollage, maintenir la même température à l'intérieur de l'enveloppe durant le vol... et essayer de ne pas s'écraser à l'atterrissage ! Comment le ballon s'élève-t-il dans les airs ? Pourquoi ne sent-on pas le vent quand on est à bord d'une montgolfière ? De quelle manière les pilotes s'appuient-ils sur les vents pour guider leur engin… ? Nos deux compères nous expliquent tout sur ces engins aériens qui dessinent parfois des centaines de bulles colorées dans le ciel.
- An: 2014
- Pays: France
- Genre: Documentaire
- Studio: France 3
- Mot-clé: technology, experiment, professor, education, school, scientist, body, science fact, science, learning
- Réalisateur: Jamy Gourmaud, Frédéric Courant
- Jeter: Jamy Gourmaud, Frédéric Courant, Sabine Quindou
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