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  1. GVF075

    GVF075

    GVF075

    Green Viewing film instantly reacts to show the shape and size of any magnetic field. It can be used and reused indefinately. The images created on the Green Viewing Film are silmiar to spreading tiny iron shavings on a piece of paper and placing a magnet beneath. The Film turns dark when the fields are perpendicular and light when the field is horizontal.
    Some blemishes in the film may be visible. This will not affect the performance. Learn More
  2. GVF150

    GVF150

    GVF150

    Green Viewing film instantly reacts to show the shape and size of any magnetic field. It can be used and reused indefinately. The images created on the Green Viewing Film are silmiar to spreading tiny iron shavings on a piece of paper and placing a magnet beneath. The Film turns dark when the fields are perpendicular and light when the field is horizontal.
    Some blemishes in the film may be visible. This will not affect the performance. Learn More
  3. FerroFluid25

    EFH1-25

    FerroFluid25

    FerroFluid is a black, oily liquid that can be used to visualize magnetic fields. When a magnetic field is applied to ferrofluid, the magnetic moments of the particles orient along the field lines almost instantly. The magnetization of the ferrofluid responds immediately to the changes in the applied magnetic field and when the applied field is removed, the moments randomize quickly.

    In other words, when you bring the ferrofluid near a magnetic field, little spikes form along the field lines. If the magnetic field is dense then the spikes will be numerous and close together. If the field is weak, then the spikes will be larger and further apart. This is easy to demonstrate by moving a magnet close to and away from the ferrofluid.

    This product is available in the USA only and must ship via UPS Ground Learn More

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