Can you make an elevator out of a spool of thread, some string and a hanger? Your friends might think it is magic, but it’s science at work! Here’s an easy experiement that has its ups and downs! 1.

Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...

Obscured by digital innovations, it’s easy to overlook the mighty pulley. Evidence of its use can be found as far back as Ancient Egypt’s Twelfth Dynasty; later, pulleys were employed in essential ...