Spirometer

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.

0 Testimonials

	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 ...