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Spirometer

Note (?)
Difficulté (?)
Durée (?)0h 25 min.
Date20.07.2022
Auteurwebmaster
Traducteurwebmaster
Organismewebenergie
Coût (?)~0 CHF
Languefrançais english
License (?)
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A spiromètre is a medical devise that measures the volume of air inspired and expired by the lungs.

 

This projet is a king of spirometer that allows you to keep a light ball in the air as if a magical force was holding it there.

 

This project was developped for the magazine 'Campus Junior' of the University of Geneva.


Matériel

Outils

Réalisation


Cut the top end of the bottle to form a funnel. With the punch, drills a hole in the center of ...
Insert the top of a straw through the cap. Cut the straw to leave approx. 10 cm outside.
tape another straw on the side of the funnel.
Cut a peace of 20 cm from the third straw.   Fold it in half and surround the vertical straw. ...
Using aluminium foil, form a very light ball (not very compact).   The ball has to be the size ...

Fonctionnement

Liens&Références