10 Cool Demos with a Liquid Crystal Sheet

Testing out three different light sources for their heat output. 

The sheet is more convincing than a typical thermometer

Have you ever wanted to watch ten cool demos performed using a Liquid Crystal Sheet (also known as a heat sensitive sheet)? 

One of my videos is featured in the Arbor Scientific CoolStuff Newsletter. You can sign up for the newsletter here. Read my article here.

Why is the Sky Blue?

Why is the sky blue?

Does the sky reflect blue light? Does it only let blue light pass through? Does it emit blue light like a glowstick?

Many people have asked this question, but we don't always receive a full or accurate answer. During a two-week immersion course, a group of my high school science students created this video entitled, you guessed it, "Why is the Sky Blue?"