Because a pendulum's oscillation frequency depends on its length, not its mass, you can use different colored bowling balls for a pretty effect. By Francie Diep Published Sep 8, 2014 7:20 PM EDT Get ...

We’re used to seeing pendulum waves generated on tiny scaffolds with itty-bitty balls. But as this awesome demonstration points out, the same physics applies even at the largest scales. The key to ...

Some teachers like the textbook, some like the interactive whiteboard and others favour good old chalk and talk. This teacher, however, prefers a different method. To demonstrate the interaction ...