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A demonstration of inductive heating.
Using electrical currents to produce magnetic fields, which are used to induce current flow in a target conductor. A phenomenon referred to as induction.
This generally can be used to step-up or down voltages (as in transformers), but here i am showing its use as a contactless heating element.
A zero voltage switching driver produces a high frequency, high amperage sinusoidal wave across a thick guage copper coil.
This oscillates current along it, producing local but very powerful electromagnetic waves.
In my demonstration:
A thin wire is wrapped around a screwdriver and plunged into the core of the field produced within the copper coils.
Electrons in the wire are excited and dragged around, their collisions (and hence resistance), begin to rapidly produce heat.
The wire almost immediately begins to glow red hot, rapidly cooling only when removed from the field.
Notice an organic structure like my finger does not experience the same reaction due to its poor conductivity at these weak field levels.
Conversely, the highly conductive steel wire glows almost instantaneously upon exposure.
Stay tuned for more science and nature at Terran Sky
www.TerranSky.com
By Ken Killeen
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