Pi Tie BarAncient, 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

and presentations

Anyone who loves the beauty of nature

sterling silver chain

or 24-26 inch steel chain

agricultural researchers

Architects

a cotton cord

They are hand-strung on an 18 inch non-tarnishing steel snake chain

imagine walking across the surface

The blue morpho butterfly

geographers

and state machines used in programming