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By Cy Tymony

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Cup Positioning System

Not everyone has a GPS (Global Positioning System), but you can easily make a CPS (Cup Positioning System) from any cup and learn the art of orienteering!

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Steps

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Step #1: Mark the cup.

Cup Positioning System

Draw a crescent moon on one side of the cup. Then draw a downward-pointing arrow that rests against both tips of the moon. Write South at the bottom.
On the other side, draw the Big Dipper and Little Dipper constellations. These resemble pans with handles. The Big Dipper’s rightmost stars point to the Little Dipper’s “handle” star, which is Polaris, the North Star. Draw a downward arrow from Polaris and write North at the bottom.
Turn the cup over and draw the numbers 1 through 12 on its bottom in a clock formation.

Conclusion

This project first appeared in MAKE Volume 21, page 30.

Cy Tymony

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