From 18th century automatons that could write a full letter to the player pianos featured in every saloon, mechanical inventions have fascinated us for centuries. Yet the smallest pieces can garner ...

Banks and credit unions often offer free coin exchange services for customers, while charging small fees for non-customers. Coinstar machines charge up to 12.9 percent plus a 99-cent flat fee but are ...

Chances are you had a piggy bank as a kid. You know, the kind with a coin slot on top and a cork on the bottom. Or maybe it was a plastic machine that sucked up dollar bills, ATM-style. Either way, ...