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The top disk displays the pi symbol
the Neuron could be called the foundation of all human thought and action
incorporating a raw amethyst crystal into an 18 inch sterling silver chain
the Aeneid
Whether for yourself or someone special (your sweetheart
Pi Tie Bar Keychains The top disk displays theAncient, mysterious, elusive, and beautiful pi symbolizes not only a number, but also the ongoing quest of science and math to approximate the universe just a little better. Wear a stylish and sophisticated piece of the eternal puzzle with this hand stamped tie bar displaying pi to 10 decimal places. Available in aluminum or bronze, it is sturdy enough to last a lifetime. (Note that hand stamped lettering varies a little, so yours will be charmingly
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