In this step-by-step tutorial, learn how to make a powerful alarm at home using a DC motor. Perfect for DIY enthusiasts, this ...

KELLER, Texas — Keller High School was evacuated Thursday afternoon after an experiment in a science lab set off the school’s fire alarm system, Keller ISD says. There were no injuries and no physical ...

The Greek inventor Archimedes supposedly used mirrors to set fire to invading ships. To test the possibility, a middle-school student designed an experiment for his science fair. Using light bulbs and ...