Katelyn shared this hilarious clip of her playtime with her cats. With a wand as their ringleader, these fluffy acrobats were ...

It may be a fountain spitting water or lanterns lighting up. The exact spell and wand motion are indicated at each location.

It may be a fountain spitting water or lanterns lighting up. The exact spell and wand motion are indicated at each location. Need a break? Play the USA TODAY Daily Crossword Puzzle. The first ...

When the wand is moved in a specific pattern, the LEDs respond. It looks like magic, but it really demonstrates how an accelerometer sensor can detect the wand motion and decode and transmit this ...