Hi,
Have you studied the main link on that topic? Here it is:
**broken link removed**
All what I understand is that using carbon fiber as a current conductor it is able to manifest negative resistance, just like a tunnel diode has a range in its voltage-current characteristics: when you increase voltage, the current decreases.
It is a good question what this behavior of the carbon fiber is good for? One has to find practical applications where it could be utilized.
Jean-Louis Naudin is know for experimenting with free energy / so called overunity devices but as far as I know there is no any circuit published by him to show or give any USEFUL overunity / excess output power.
No doubt he has shown some very interesting experiments and MAYBE an exception would be the Moller's Atomic Hydrogen Generator (MAHG) which is fully based on Irving Langmuir's discovery. Naudin says the hydrogen is merely dissociated and recombined and can therefore be recycled over and over again without consuming more hydrogen than the quantity used to start with. Here it is:
**broken link removed** You have to be devoted experimenter to go through and build the hardware needed to make any conclusions.
rgds
unkarc