You need to hook the coil to the AC input (the wavey symbol) and replace the capacitor with a rechargeable battery and put a LED in the load (the rectangle to the far right). The coil picks up the ambient RF from radio, your wall current, and anything else shaking EM-space and feeds it to the rectifier turning it into DC which charges the battery and feeds the LED. This absolutely should work with enough coil.
OK, now that's different. All it is, is a large crystal radio with a large bandpass so you don't have to tune it.
I was told it ran off the Earth's magnetism and rotation like Tesla's mysterious car power source.
I built one of those in 2nd grade (a crystal radio that is). Since it's using in the above generic schematic, silicone and not germanium diodes, it has to overcome the .6-.7 volt (depletion region) needed to cross a silicone PM junction instead of a .3 volt one of a crystal diode and when you do that, you only pick up the largest signals and I also never tried it with a full wave rectifier but since it's not sound waves you listen to, I guess it's not that big a deal. Hell, I might as well find a cat's whisker if I wanted nostalgia.
I wanted something that could be scaled up, Tesla supposedly powered a car and if it was possible to use the Earth's magnetic field, I have no idea of the upper limit but now you're telling me it's a crystal radio essentially and there is a limit.
Hell, I live around twenty miles away from an antenna farm off of highway 50 in El Dorado hills that I could park next to them and steal power from them, they might not even detect a small amount. I could find power lines that have the conductor's far enough apart so they don't cancel each other out and bury an inductor and steal power that way as well and they would damn well detect that.
I want the schematic to this:
The "energy receiver" (gravitational energy converter) had been built by Tesla himself. The dimensions of the converter housing were approximately 60 x 25 x 15cm. It was installed in front of the dashboard. Among other things, the converter contained 12 vacuum tubes, of which three were of the 70-L-7 type. A heavy antenna approximately 1.8 meters long, came out of the converter. This antenna apparently had the same function as that on the Moray converter (see chapter on Radiant Energy). Furthermore, two thick rods protruded approximately 10cm from the converter housing.
Tesla pushed them in saying "Now we have power." The motor achieved a maximum of 1800rpm. Tesla said it was fairly hot when operating, and therefore a cooling fan was required. For the rest, he said there was enough power in the converter to illuminate an entire house, besides running the car engine. The car was tested for a week, reaching a top speed of 90 miles per hour effortlessly. Its performance data were at least comparable to those of an automobile using gasoline. At a stop sign, a passerby remarked that there were no exhaust gasses coming from the exhaust pipe. Petar answered "We have no motor." The car was kept on a farm, perhaps 20 miles outside of Buffalo, not far from Niagara Falls.