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Curated Video
How to Select an Everyday White Balance Setting
Howcast - Learn about selecting a white balance setting on your digital camera from photographer Dan Bracaglia in this photography lesson from Howcast.
Curated Video
LED vs. CFL Lightbulbs
Howcast - Learn the difference between LED and CFL lightbulbs in this Howcast video featuring Alegre of Green and Greener.
Curated Video
How to Choose a Compact Fluorescent Light Bulb
Compact fluorescent light bulbs, or CFLs, use about 75% less energy, give off 90% less heat, and last up to ten times longer than old-fashioned incandescents. Changing over is as easy as... well, screwing in a light bulb.
Curated Video
I WONDER - What Are The Different Types Of Lightbulbs?
This video is answering the question of what are the different types of lightbulbs.
Khan Academy
Khan Academy: Intro: Turn an Old Cd Into a Spectroscope to Analyze Light & Color
Will the real white light please stand up? Two light sources that appear the same to your eye may actually be made up of different wavelengths of light. In this science snack activity, Paul Doherty of the Exploratorium Teacher Institute...