Today we present Michael Faraday's Disk homopolar generator in four different set-ups, with one of them being a small version of the N-1 machine built by Bruce dePalma in 1997. Electrical power generation by the Faraday Disk is a direct current or DC with low tension / voltage and high current. The applications using this power source are rail guns, billet heating and welding. There is however an anomaly or paradox ...