This timeline shows the closing share price for four internet tech stocks on a monthly basis since each company started trading. The share prices on the Y axis are displayed using a logarithmic scale to allow easier comparison.

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Created: about 1 month ago

This iSENSE project is based on a geometrical probability experiment first conducted in the 18th century by French philosopher Georges-Louis Leclerc, Comte de Buffon. He determined that you can estimate the value of pi by dropping straight objects (e.g. toothpicks, craft sticks, or pencils) on a grid of parallel lines separated by a distance equal to the length of the objects thrown. The proportion of sticks crossing a line is directly related to the value of pi, as follows:

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