YouTube on MSN
How to Make a Microphone at Home
In this informative video, discover step-by-step instructions on how to make a microphone at home using simple materials.
Distilled water is safe for use but the downside of distilling is that it removes all of the helpful minerals like calcium ...
Amazon S3 on MSN
How to Make a Powerful Blow Gun at Home for Under $10
The science pros at The King of Random show how to make a powerful blowgun for under $10.
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