These days, most of us have a smartphone. They are so commonplace that we rarely stop to consider how amazing they truly are.

Recently, [Solder Hub] put together a brief video that demonstrates the basics of a Hall Effect sensor — in this case, one ...

Rampant racism, bullying and fighting have been disrupting learning at an east-side middle school, forcing the Tucson Unified School District to stage an intervention. A task force has been assembled ...