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25-July-2024 Thursday
Battery experiment


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20-April-2022 Wednesday
Response to the post "Magnetic sand from Bali - how much ordinary sand is there?"


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Volcanic sand beauty of nature A magnetic field Reply to post Memory Sand Nature Travels Physical experiments

20-April-2022 Wednesday
Magnetic sand from Bali - how much ordinary sand is there?


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Magnetic sand from Bali - how much ordinary sand is there?
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Video Volcanic sand A magnetic field Nature Physical experiments
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