Step-by-step video on how to make Rochelle salt crystals or piezoelectric crystals for doing piezoelectricity experiments or hacks for science fairs or fun. Includes details on the ingredients: baking soda (sodium bicarbonate), cream of tartar (potassium bitartrate) and distilled water.
Watch the video on how to test this rochelle salt crystal "How to test Rochelle salt piezoelectric crystals voltage oscilloscope":
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And here's where I use the crystal from this video to make a speaker in my "Piezoelectric Speaker - small crystals/window as speaker" video:
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And here's where I use a large crystal make from these smaller ones to make a speaker for a radio in my " How to Make Piezoelectric Crystal Speaker" video:
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For more see:
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For how to get more powerful piezoelectric crystals, see "How to take Piezoelectric Igniter from Lighter fr Spud Gun":
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and "How to get Piezoelectric Crystal from BBQ Ignitor/Sparker":
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