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Tap the button to activate. As far as my understanding goes, this is how this free energy device by @WTFCircuit works. It's basically a joule thief with an extra resistor, no load, and powered by a supercapacitor. However, for some reason, when it reaches it's limit, when it should make it's usual voltage spike, the current in the transformer secondary reverses and gets amplified, while the primary just gets amplified. This of course is without explanation, as you can see if you use voltmeters to measure the voltage difference between the two end of each of the transformer coils, because inductors simply don't work that way, transformer or not. This causes current feedback into the supercapacitor charging it with energy that shouldn't exist. To sum it up, it's basically an odd glitch that's really weird.
Edit: I think this happens because of under-sampling. This is reinforced by the fact that if you put a 1uF capacitor between the collector and emitter of the transistor the glitch is fixed.
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