Is there anything that the technology Tesla Free Energy?

we bought and tried antenna Tesla totally free energy is what we located: question David : Is there anything that the technology Tesla No cost Power I am familiar with crystal radios, which will create sufficient electrical energy without batteries, a set of headphones to drive. I assume it is the power of milliwatt. . . But it is attainable to use inductive - capacitive circuits with a bridge rectifier and an antenna and ground to produce a little but valuable electrical power Just curious.

Tesla's Generator