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A warm body can be detected by the IR (Infrared) heat that it gives off with thermal imaging equipment, and provides a difficult challenge to someone or something wishing to avoid detection. You may be camouflaged in the best concealment that there is, but you may be highly visible to thermal imaging from someone with a IR scope on the ground or that Drone flying overhead… This goes the same for any warm or hot equipment that you wish to conceal.
What is Infrared (IR)? It is light (not visible to the human eye); electromagnetic radiation with longer wavelengths than visible light, extending from the red edge of the visible spectrum. If you could see the waves, the wavelength would literally be only 0.00074 to 0.3 millimeters, or 0.00004 inches to 0.01 inches. Humans at normal body temperature radiate chiefly at wavelengths around 0.01 millimeters, or 0.0004 inches… right in the infrared.
There is no absolute certain way to defeat infrared, but there are some techniques that make detection more difficult.
One of the most effective methods to block IR is to conceal behind glass. Glass is opaque to thermal imaging. It is not a practical solution though, due to the obvious impracticality of carrying around a pane of glass, or constructing your walls and ceiling out of glass.
A simple and effective method to block IR is an ordinary ‘space blanket’ or thermal blanket of Mylar foil. The foil will block the IR heat signature behind it. A problem though, is that whatever it is that you are attempting to conceal, its heat will either build up inside to an unbearable degree or it will escape ‘somewhere’, which will then be visible to IR imagers. Concealment for the most part will be temporary without elaborate mechanisms to disperse the heat signature.
For a quick temporary method of IR concealment, throw a blanket over yourself. A thick woolen blanket will help defeat thermal imaging. Covering with a layer of insulation, the heat is blocked (or partially blocked) so that it doesn’t radiate. This is only temporary concealment as the heat builds beneath the blanket, but it may work long enough to conceal during a quick TI scan or Drone flyover…
Other methods of partially hiding from IR is to conceal by blending in next to other warm objects like stones or thick walls that may still be holding the heat from the day. The vents in buildings may be out-flowing warm air; a source of heat that can help obscure your own thermal outline. You get the idea… wherever there is existing natural or man-made heat, you can blend in with that to help conceal your presence to an IR or thermal imager.
Wear an insulated jacket, insulated pants and a hat. It won’t be 100% but it will help lessen the heat signature. Again, the heat will build and escape through the neck openings and face. You could cover your face with cool mud, which will work temporarily. It’s all pretty much common sense; reduce, disperse, or cover the sources of heat.
Netting will help somewhat, but the holes throughout the webbing of the net will reveal some of the thermal IR heat. Netting will help to disperse the heat that may be underneath it as the airflow will be broken up somewhat by the webbing and will hide or smear hot spots better than nothing covering them at all. The heat signature will not be as intense, but spread out more. An example may be to cover a vehicle that has been running with netting, or to wear a Ghillie suit.
Put trees and/or brush between you and the suspected IR imager. Trees overhead will help break up the infrared signature, especially under a heavy canopy of leaves.
A moving heat signature at night is quicker to identify than a stationary one (up to a point).
When you are hiding your heat signature (with a Mylar space blanket or other means), under some conditions your signature may look ‘too cold’ to an IR scan of the area (an extra dark outline, or a ‘black hole’), which may make you detectable. Surely this is better than otherwise, but keep in mind that the objective is to blend in with the thermal clutter of the surroundings.
Avoid open spaces and skylines by day or night.
Thermal Imaging does not perform well in falling rain.
The problem with most IR cloaking methods, IR clothing or netting designed to block IR, is that it will also block the background IR – creating a black hole of varying degrees. Ideally you would want something that ‘cloaks’ or blends your IR signature such that the background scatter at your location is what the observer sees.
We are entering the age of the Drones, and there will be (are) all sorts of levels of detection capabilities. But starting with the basics of ordinary IR heat signature is at least starting somewhere…
By Ken Jorgustin
This Crazy Off Grid Device Literally Makes Drinkable Water From Fresh Air:
According to NASA, the U.S. is expecting a 100-YEAR LONG MEGADROUGHT.
It's already begun. Ask the farmers in California. They know.
Every survivalist knows that water is of critical importance. You NEED an independent water source that you can count on!
As an interesting "survival rehearsal" - imagine that you turned the tap on right now and nothing came out. How long would you last?
But what if there was another water source literally hidden in plain sight. That's right, I'm talking about the atmosphere!
The amazing thing about getting water from the natural moisture in the air... is that it is ALWAYS available.
This gives you real water security!
Learn more about how to tap into "Nature's secret water reservoir" and stay hydrated when TSHTF!
Watch the video:
😳 What Tinnitus Does To Your Brain Cells (And How To Stop It)
After 47 years of studies and countless brain scans done on more than 2,400 tinnitus patients, scientists at the MIT Institute found that in a shocking 96% of cases, tinnitus was actually shrinking their brain cells.
As it turns out, tinnitus and brain health are strongly linked.
Even more interesting: The reason why top army officials are not deaf after decades of hearing machine guns, bombs going off and helicopter noises…
Is because they are using something called "the wire method", a simple protocol inspired by a classified surgery on deaf people from the 1950s...
I Can't Help Showing This Off:
If you haven't heard of Claude Davis yet do yourself a huge favor and watch this video.
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An amazing discovery in an abandoned house in Austin, Texas: A lost book of amazing survival knowledge, believed to have been long vanished to history, has been found in a dusty drawer in the house which belonged to a guy named Claude Davis.
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More Off-Grid And Survival Resources:
What REALLY Happens When You Bury a Shipping Container? (Hint: It's A Bit Crazy...)
Shipping containers are all the rage - but if you are thinking about buying one, you MUST watch this video first:
There's a general belief that if you bury a shipping container you can create an awesome root cellar / storm shelter / survival bunker.
But is a shipping container strong enough to handle the pressure?
Watch the video to see what happens:
What Really Happens When You Bury a Shipping Container? (Click To Watch Video)
A while back I saw that someone had made a device (and material) that projection to make someone ‘invisible’ it projected the background in front of the person carrying it. The only problem was with the edges of the whole thing being too sharp, causing the whole thing to be more viewable. But if you look at the pictures on Google they are danged amazing. Maybe best if used on a stationary rather than moving object?
I bet you could do the same with IR and UV – detect the background and project it in front or over the object being concealed. Conspiracy theory time: using a reflective material, you can disguise where you are in your house by blocking the actual signal (reflection) and use a small computer to move lamps or dummies above the reflector in similar patterns, not matching the actual positions. I say something moving with a heat signature because a lack of a signature is even worse like huge bars on fences and windows say “Rob me, I contain something valuable”, no signature means “Double dangerous, they are actively trying to block us from seeing.”
Sirs I’ve taught US Army personnel how to use Thermal equipment. The key to not being seen by thermals is to hide your heat. to do that simply have something between you and the thermal observer. An umbrella works well especially one with ghilli net on it. I’ve used heavy tarp material held away from the body by about 6 inches. It worked well. Using a Mylar & wool blanket will work, how ever the thermal can pick up your heat shadow on the ground for about 10-15 mins after you leave. If bare foot your foot prints will show up for about 5 min. You can track wounded animals (or humans) any time of day with thermal devices.
Drones only have so much time in the location. spread a Mylar/wool blanket in tree branches and stand under it, make sure you are not to close, your heat my transfer and you can be picked up. Even just a poncho will work, just make sure it blends with the trees above you and watch the angel so the drone can’t see you legs, and remember to avoid contact with it after being put into place.
Don;t lean against walls when thermal equipment is looking for you, your heat can seep through and be picked up. I found a guy in a shipping container and a cement brick house because they leaned against the wall.