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Une minute de science, s.v.p.! : Le téléphone

Sylvain Charbonneau · Canada · Documentary / Family · 1 min · 25K views

A one-minute science lesson for children following the path a voice travels through a telephone.

A quick, clever answer to how your voice travels down a phone line.

Quel chemin emprunte la voix?

Plays in YouTube's player · Watch on YouTube

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