Introduction to Light Emitting Diodes
Using LEDs as a way to get started learning about electricity.
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LED
Those LEDs that you have are just white with a color coating not true colored LEDs. !great videos thanks!
Why the sky is blue
Take a look at: http://thehappyscientist.com/science-experiment/why-sky-blue
why is the sky blue????
Hi Robort Krampf, I was wondering why is the sky blue?
thanks Barefoot Clan
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