lördag 19 februari 2011

PI

With the help of three hockey pucks and some string, you can prove the value of Pi. We did this by measuring the circumference of the puck with the help of a string.
Linn was assisting.

Linn placed the string over a number of pucks and clearly saw that the circumference of the hockey puck was the same as the diameter of three pucks and a bit more ...

The idea for this lab component comes from Hasse Persons book "Experiments with mathematics".

It is of course possible to use mouse pads, glass, rock rings or any other round object to this evidence. The circumference corresponds always a bit more than three diameters. 3,14 .................

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