After following some links around the net that peaked my curiosity I came upon something that all my schooling and instincts said "no way". So naturally I decided to try it and the results were simply amazing. You can get electricity from your yard, and almost anything in it.
so here's what I did, try it, you will be amazed too, and begin to wonder what else is not as we were taught.

Step 1: Tools

you will need a voltmeter, scraps of wire, some water and paper towels.
some stiffer wire, roll of wire, PVC tubing, brass and steel rods later if you decide to follow up with phase 2 and 3

Step 2: Phase 1

I have a patio with retaining wall around it, gravel sub base, and flag stones to walk on. All the ingredients are there.
What you need is gravel, or cement or sand or sand dirt mix in the lawn.
Hmm sound like most peoples yards?
Dampen 2 spots on the retaining wall block or cement block on opposite sides, using the wet paper towel as a contact point read the voltage that's available. Before you say 'yeah. right' JUST TRY IT!!
I had reading from .5 to 1.3v dc.
I now grabbed the garden hose and hosed the wall down, soaking it well. (excitement builds,as this isn't possible)
2 blocks read the same as the two added together, 3 blocks read the same as the three added together. hmm
Grab the scraps of wire! Wire 2 blocks in series, the voltage increases a small amount, same with three blocks.
Grab the left over blocks, I have 6. stack them up with wet paper towel between. My voltmeter reads 7.4v, unbelievable!
Now for the real test, Grab a small fan from a computer, hook it up. .....
Mine ran for about a minute before stopping, slower than normal, but I didnt have 12v to start with.
I disconnected one wire and pondered what just happened for a few minutes.
Then reconnected the wire just for kicks, and the fan started again and ran about a minute.
No Way, it recharged in a couple minutes? grab the stop watch!!
After several try's they apparently they recharge in 15 to 30 seconds!!
How about 2 stacks of 3? gave me a voltage of 3.6v
The fan runs about a min and a half, 20 second recharge, another 1.5 min.
ok now on to phase 2

Step 3: Phase 2

This time I need to try pushing brass welding rod and steel coat hangers into the ground.
the steel is the center of the new battery. the first brass rod is pushed in to the water soaked ground until spacing is found that gave me 1.5v. larger spacing gives higher voltage. the steel are separated by 6 inches and the same for the brass till I have 8 cells. wire the brass to the steel so the cells are in series, giving about 12v when done. my fan ran a total of 5 minutes. Again about 20 secs recharge time and it ran again.
I pulled every other wire out and re-spaced to 12 inches. the fan ran about 7 minutes. ( when I say about 7 minutes, that's using my cell phone clock, not a real stop watch.) So wider spacing gives more amperage, cool.
You have to be aware that apparently quartz needs to be present, hence the sand, or concrete. Black dirt or humus provides to small a voltage. But the quartz seems to help the transfer. crushed Granite or rock such as class 5 has is good too.
on to phase 3

Step 4: Phase 3

can I manufacture a battery from these components?
Out comes the PVC tubing in 4" diameter.
drill hole thru an end cap for a wire, bare the end about 2 ", flare it out and place it between 2 layers of paper towel in the cap.
place the cap on one end of the PVC. Also drill a couple water drain holes in the cap.
Fill with sand to about 3 inches, and test the voltage. This gave me 1.5v, yours can vary, by how wet the sand is, so soak it well.
Put a layer of wet paper towel, and another layer of sand.
repeat till you have 8 layers, and about 12v
last layer of paper towel and connection wire, I eventually cut down a cap ti fit inside the PVC pipe wit a press fit and drain holes, to hold pressure on the wire connections.
Oh no, the fan only runs just over a minute, and now wont recharge!!
Wait, grab a shovel, bury the tube either vertically or horizontally, soak the ground liberally.
Now the fan runs almost 2 minutes and recharges in 20 secs. Apparently the power is coming from the ground.
Not overly impressive for a 4" diameter battery 24" long, but the fact that it recharges every 20 secs is!
now on to the last step.

Step 5: Challenge

If a series of batteries buried will deliver power for 2 minutes, recharge for 20 secs, and repeat as long as the ground is wet.
How do you cycle 2 or more cells to deliver power continuously?

Can a series of cells deliver high enough power to convert to AC? thru an inverter?

How many cells in parallel give adequate amperage to convert to AC?

Can a backyard deliver enough usable power? for even minor appliances?

What could an abandoned gravel pit deliver?

What circuits would be needed to rotate the cells properly?

One thing I can tell you, LED lighting works great on the one cell, and lasts about 4 hrs, so a slow draw extends the discharge rate.

if you work out any usable circuits or battery styles please let me know, I think this could be a very good emergency backup, or even more.
do you remember the website where you found this
<p>Did you find this one? https://d1x4j6omi7lpzs.cloudfront.net/live/wp-content/uploads/2014/06/Free-Energy-From-The-Earth.pdf</p>
there were so many pages that day, and it didn't sink in till later what I had read, and the possible uses for it. I get off track so many times when I'm browsing, sometimes it's hard to remember what I originally was looking for, lol, maybe its old age. Maybe it's the shear amount of info available now, compared to when I was in school and college, that I get sidetracked easy as I find things that are interesting, then try to sort the bull out and digest the real deal.
Yesterday, while in my basement, I noticed (I knew this) that my basement walls were cement block. A ha, can I get power here? yes, did get readings, and some power. But I realized quickly that keeping a basement wall wet is not smart. So now, its is there another way to induce a good connection other than something like water that will deteriorate the wall over time? And soaking the ground outside the wall would again only work when its not winter here. Ground rods? in the wall protruding into the backfill? E gads, that picture of a hundred metal rods protruding from the wall, wiring running all over, pc boards spread randomly among the wires, and a stargate ring protruding from the floor, lol, the horror of it all, lol
I have heard of this before, do a search for &quot;earth battery&quot; there is loads about them on the web.
i'd say your best bet would be to use a set of transistors to get it to flop back and forth. basically it acts as an electronic switch. then you'd use the other battery as a switch, if that makes sense (this is a very basic thought) (also not sure if it is NPN or PNP) where the battery that is off would allow the other battery to discharge. then when the second battery is charged, it'd shut off current flow from the first and allow it to charge. if that makes sense. also you cant convert DC to AC. (not that im aware of anyways, please correct me if im wrong) but you can make pulsating DC and use that to power a transformer which would output AC unless your rectify it ;D
I get the idea of the switching, its the actual wiring and parts that throw me, lol, getting old I think. <br> as far as converting to AC from DC, its done all the time with inverters, I have 3 which I power the furnace, some lights, and TV during Minnesota's famous snow storms. Hmm, did I say 'famous', we get 6 feet of snow, and a note in the weather forecast, east coast or the south gets 3 inch's, they get a weeks coverage, and FEMA help, go figure.
haha. well basically you have two pins on a transistor that allow current to flow through them. and a third controller pin that acts as the switch. NPN or PNP determines whether its an &quot;open&quot; or &quot;closed&quot; switch. basically how it works is like on NPN for example (havent done much research on PNP but i know its just flipped) the two negative terminals going to the positive act as diodes. not allowing current to pass either way, when a charge is applied to the p (positive) it overrides the secondary diode (from the second outlet pin) and lets current flow through it that way. thats how they work. someone correct me if im wrong? this is very very interesting though. i might have to give it a try xD i've heard of people stringing big wires through their yard and having it be enough to power a small radio. and it makes sense since electrons are on all atoms. i might take that up as my next project after i finish my plasma speaker and audio modulated tesla coil :D if i come up with anything awesome, ill be sure to let you know ;D
Interesting. Thanks for sharing this. I ran into something similar a few years back when I was changing the main electrical breaker panel on a house a friend was remodeling. The electric company had completely disconnected their wires from the house. I had a bare copper wire hooked to the new breaker box and the other end was bonded to a metal water pipe in the crawl space under the house. I had driven a new 8 foot ground rod into the ground about 30 feet from where the water pipe went into the ground. I ran another bare copper wire from the ground wire to the new breaker box. When I touched the wire to the terminal in the breaker box I got a spark. I don't mean a little spark. I mean a spark that was plainly visible in full sun. A spark so strong that you could actually hear it pop. I checked the voltage between the two grounds with a meter and got over 20 volts. I did not measure the current but wish I had. When the men from the power company came the next day to install the new wires from the pole to the breaker box I told them what had happened The told me that there is always an electrical potential between any two grounds. I had never heard of such a thing. They then went on to tell me about a local man that, due to a leak, had changed his underground water pipe from metal to plastic but had left the ground wire from the main panel bonded to the metal pile above the ground under his house. They said that every time the man tried to take a shower that the water coming out of the shower would give him a mild shock. They explained that the ground from the electrical panel was feeding from the metal water pipe in his shower to the metal drain pipe in the tub thus completing the circuit through him. I was amazed and have often wondered if there was some way to use the voltage produced between two grounds. One could use two 8 foot ground rods some distance apart and maybe charge a cell phone with it using a voltage regulator. I would not want to try it using the electrical system ground rod but I see no reason why a separate ground system would not work safely. I tried to google this several years ago but found nothing. I am curious to know if anyone else ever had any experience with something like this?
This is awesome!
granted the later steps are using dissimilar metals and sand, but the other phases use only the concrete blocks, nothing dissimilar there. And I realize the amps required for a cooling fan are small, but by putting the 'cells' in parallel and series circuits the amperage can be built up. How far I'm not sure yet, but winter and freezing temps are fast approaching here in Minnesota, so my testing will end up on hold till spring, unless my wife allows me to dump a load of sand in the basement, lol, and I think that isn't gonna happen.<br>So I'm kinda depending on you inventors and curios folk that live in southern states.
Try adding a capacitor and then a joule thief feeding another capacitor and then feed some of the output back into the start capacitor. Not a perfect solution but should enable you to get some more run time
It's easy to find the voltage, pretty much anything moist, and two dissimilar metal electrodes. Unfortunately, you need current to do any work, from the voltage you read on the meter, and is greatly lacking in most cases...

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