Memoirs of an Isekai in Naruto

Log 22 Camo 

This one took a bit longer as we had a new baby to take care of looking at you Naruto. I needed to dredge up my old memories, double-check those memories in the city library, and I needed to make sure my business was doing ok after all the damage and the city repair work. 

Kids, I am sorry if you noticed I haven't been around as much. I was doing the best I could to be seen as philanthropic and build up a positive reputation. I don't see myself living long or our business doing well if Danzo does anything.

Camo

Camo, also known as camouflage, is not commonly used in this world. I suspect just as we evolved away from using dazzle camouflage on our boats to conceal the heading and speed of our naval vessels due to radar, chakra sensing copies a similar neash. This means that camo is not perfect but will help as long as you are not dealing with sensory ninjas.

No matter how well you use any combination of materials, coloration, or illumination for concealment chakra will be able to detect a person without the need for the impairments camouflage has upon vision.

Luckily all the times my caravans in the past were attacked, there weren't any sensory ninjas hidden between the bandits. So the camo worked perfectly. If you decide to enter the mundane sector like your old man then you better learn about traditional camo skills like ghillie suits.

Bandits are far more common than I would like and due to the fact I don't trust the ninja's leadership I don't hire ninjas and suffer a lot more of their unwelcome advances.

However, I would rather pay bandits a bribe as most of the time bandits entered this profession not out of choice nor do they murder whole caravans. It's not financially viable it's killing the goose that lays golden eggs if you know what I mean.

There is also the fact any ninja squad I hire could contain a root spy. To be honest I wouldn't be surprised if Danzo helped create and manage a lot of the bandit groups. 

The more and the better the bandits are at their job the worse the economy and more bandits are created. At the same time the more we traders need ninjas to protect ourselves and the more we need to pay for missions for protection.

Back to camo, a majority of camouflage relies on crypsis. Crypsis is a creature's ability to blend in and avoid being detected by other creatures like predators.

These methods on land might include copying the general resemblance to the background, high contrast disruptive coloration, eliminating shadow, and countershading. 

I learned a lot about this when learning about Genetics and predator-prey dynamics back in my biology labs in college. Just wow it's been a wild ride. 

I remember having to retake the lab three times. I just couldn't find the energy to complete all the labs and turn them in. Do as your dad says not as he does.

A good example of creatures resembling their background is the rock pocket mouse. They either had light or dark furs. The dark furs allowed them to blend in between rocks or a light color that helped them hide in the sandy desert areas better to be less visible from their fly predators watching over them from above.

High Contrast Disruptive Coloration

Disruptive patterns use strongly contrasting, non-repeating markings such as spots or stripes to break up the outlines or to conceal telltale features of an animal. 

This was nearly verbatim what I learned about Disruptive patterns in class. It stuck with me as it explained why many predators and prey have such distinctive coats, skins, and skin textures. 

Animals found a way of hiding themselves not only by blending in with their environment but also by making their outline indistinguishable from their silhouette to hide themselves.

Eliminating Shadow

Speaking of a silhouette we look at how some creatures eliminate their shadow. The easiest way one can do this is by lying prone to the ground and breaking up the edge of one's body with that of the ground. Some lizards in my world had sides thinning to an edge. Their fringed white side scales effectively hide and disrupt any remaining areas of shadow.

Countershading

Countershading, also known as Thayer's law, shows that all naturally camouflaged animals will have a darker coloration on the top and light on the bottom. There are two major benefits of this color shading. One is that it messes with the perception of the viewer causing the colored surface to have a two-dimensional look. The second is with the correct coloration this 2D surface will become indistinguishable from the background. This will make great camouflage for structures or armor.

Now that I have gone into how land mammals naturally camouflage I am going to discuss how creatures artificially camouflage. 

For instance, we could use self-decorating or motion camouflage. Self decorating comes in many forms but I will explain the two examples like a ghillie suit and dazzle camo. 

Self Decorating

Animals actively seek to hide by decorating themselves with materials such as twigs, sand, or pieces of shell from their environment, to break up their outlines, conceal the features of their bodies, and match their backgrounds.

Ghillie Suits

Ghillie suits are one of our most successful applications of this type of artificial camo. We use a net or clothing covered in strips of burlap, cloth, twine, or jute disguised in such a way as to mimic leaves and twigs. Colors are chosen to match the area of stealth, sometimes even material like foliage is foraged and integrated into the camo.

Dazzle Camo

Instead of secrecy through obscurity, this method goes for the garish and extravagant. The surface of the camouflage doesn't conceal and instead, it's meant to confuse with disruption coloring. Using bright White and black stripes like that of a zebra. These irregularly distributed bands would break the silhouette of the ship and make determining the look of the ship, its speed, and its heading extremely difficult for those manipulating range finders used to target our boats with torpedoes. 

Counter shading would be applied to any of the irregularly shadowed areas like the cannons and the completely white over the fully shadowed areas. This would further create a two-dimensional effect on the boat making it impossible to understand its motion with the naked eye. 

The human eye when looking at effects like a barber pole and wagon wheel sees a perceived motion of a material like a line traveling down and diagonally or the spokes of a wheel going slow or backward even if the vehicle is extremely fast. This boat using these optical illusions would make visual confirmation exceptionally difficult.

The original designer of the camouflage idea even thought of introducing colors to this black-and-white nightmare with parti-coloring. 

This color technique refers to the coloring or designated sections usually a half or quarter of a piece of garment then color and pattern that section differently from the rest. This coloring might even include using a general resemblance to the terrain or self-decorating ghillie suit material.

Motion Dazzle

This camouflage is important as most crypsis is reliant on blending into one's surroundings so motion is an enemy. One method as can be expected from what I just recently explained is motion dazzle like zebra which uses rapid movement of bold patterns to degrade predators' ability to estimate the prey's speed and direction accurately, giving the prey an improved chance of escape.

Motion Camouflage

The other is commonly used by bugs and would be extremely useful for the Aburame clan to master. This camo is achieved by moving between the target and a fixed point in the landscape on a straight line; the pursuer thus appears not to move, but only to loom larger in the target's field of vision. 

Not the most useful for a person to copy but it is useful for insects like the dragonfly or even ranged weapons like kunai or my favorite use Missiles!!

Footing:

This next log will include the Joule-Thomson effect. Something I remember reading up about once I heard a fanfic writer mention is a scientific explanation as to how Superman would have ice breath. This will be a more in-depth log on the use of wind nature to cause a temperature drop