Marble machines are a fun and challenging reason to do engineering for the sake of engineering. [Engineezy] adds some color to the theme, building a machine to create 16×16 marble images automatically ...

MIFFLINBURG -- For three weeks, Dennis Mack's Mifflinburg Area High School pre-engineering class has been experiencing marble madness. On its face, the students' challenge was simple. They were told ...

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 ...