Anybody who has a penchant for LEGO probably has a bucket or two of messily mixed brick somewhere in their abode—like sands through the hourglass, so are the pieces of sets once destroyed by los gatos ...

Introduction Does your community have single-stream recycling, which allows you to mix materials into one recycling container? Have you ever wondered how those materials all get separated so they can ...

Introduction Have you ever used a coin-sorting machine to separate pennies, nickels, dimes and quarters? When you need to separate things that are all mixed together, using a machine can be much ...