Name: Yellow LED in Liquid Nitrogen @mikedavis6274
Uploaded: 2014-06-03T01:29:31-0400
Duration: 8 min 17 s
Description: When a yellow LED is dipped in liquid nitrogen it changes color from to green. That corresponds to a change in the band gap of the material. I used an Arduino to make the light blink.

At Home Science - Make Rainbows with M&Ms @mikedavis6274

Uploaded March 2020 | Updated September 2026, 3 weeks ago

This video shows how you can make rainbows in water with M&Ms. All you need is water, M&Ms, and a paper plate. At the end I try this with milk, and you can see how the colors are only visible from the bottom!

At Home Science - Make Rainbows with M&Ms

Circuit Playground Express - For Loops Lesson 1

Fiber Optic Demonstration with Blue Laser and Fluorescence

Briggs Rauscher Oscillating Chemical Reaction