In this video you will find an example of how to perform the Liquid crystals experiment in www.nanoyou.eu source
Make a microphone out of a matchbox and pencil leads. Listen to sounds and music from the other side of the house using this DIY microphone. Simple audio electronics project.
Three experiments to do using balloons. Simple and easy to follow. Great for kids. The first experiment used pins and we see that if we increase the number of pins
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