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  • bubal commented on bubal's instructable DIY Super Electromagnet8 months ago
    DIY Super Electromagnet

    It is possible, but I don't know how much, because the E does an important function. Increases the magnetic permeability so the magnetic field is channeled better in one direction.

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  • bubal commented on bubal's instructable Rubber Trampoline DIY 9 months ago
    Rubber Trampoline DIY

    I used the thinnest, around 6 millimeters in diameter, but perhaps is too thin, so you need to put a lot of pieces in order to work with the weight of an adult.Yes they are bread ties. I found for around $1 a roll in dollar shops.

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