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Learn Light & Sound for Free


The best videos, books, apps, and other learning resources our members recommend:

Light waves

High School - College | Online class

In these videos and articles you’ll learn about the different categories of the electromagnetic spectrum; radio waves, microwaves, infrared, visible, ultraviolet, x-ray, and gamma ray. You’ll also...

Free

Sound Uncovered

3rd - High School | iPhone/iPad

Sound Uncovered: An Interactive Book for the iPad – Exploratorium Explore the surprising side of sound with Sound Uncovered, an award-winning interactive collection from the Exploratorium featuring...

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