Further up, they can no longer rely on anything; the rabbits can only depend on various shells to increase the kill limit.

"The reason why firearms have a limit is quite simple—first is the lack of bullet weight, second is the limited initial velocity; in simple terms, insufficient kinetic energy."

At this moment, Tang Pin was gently stroking the body of the JS05, explaining to Lin Li:

"Bullet weight is limited by the bullet's own volume, even if it's increased with steel core, lead coat, and copper jacket, that's about it.

And the muzzle velocity is provided by gunpowder. Due to the constraints of the barrel, the fastest sniper bullets currently have an initial velocity of only around 800-1000m/s."

Tang Pin explained a well-understood concept, which is E=1/2mv^2.

As for the initial velocity Tang Pin mentioned... it refers to high-temperature and high-pressure gases in a one-sided closed pipe that propel the projectile. After the gunpowder fully burns, the speed of the gas gradually decreases while the speed of the projectile gradually increases, until both become equal, at which point the projectile reaches its maximum speed and leaves the muzzle.

After explaining the basic concepts, Tang Pin took the JS05 off the gun rack, the twelve-kilogram weight causing his shoulder to noticeably sink, making him look somewhat like he was holding a watermelon:

"Our improved 12.7mm spiritual energy armor-piercing sniper bullet, however, can enable the bullet to undergo secondary acceleration in the air.

It can also grant the bullet head a self-sharpening effect, allowing it to maintain a good penetration shape, thus achieving adiabatic shear fracture to ultimately breach armor."

Seemingly noticing Lin Li and Lin Ziming's difficulty in understanding, Tang Pin continued:

"Gentlemen, the self-sharpening effect can be understood literally as a self-sharpening effect, meaning the bullet head can continuously transform, shedding its layers to always reveal the solid hard part of the bullet core to continue advancing.

Whereas normal bullets, including armor-piercing bullets, impact through direct frontal collision, causing the bullet head to compress upon impact.

If you still don't get it, try poking at a thick sponge with a pencil back at camp, and then observe the tip to understand—the pencil has an inherent pencil sharpener effect."

Lin Li nodded thoughtfully, saying:

"I think I understand a bit, but Academician Tang, how did you accomplish this?"

Tang Pin held up two fingers and explained:

"First, we innovated the bullet material, using a certain strategic-grade sharp tungsten alloy.

This alloy has a relatively low melting point; under the high temperature of impact, the tungsten alloy undergoes continuous liquefaction and shedding, while under pressure, it decomposes in a layered plane, yet the tip maintains extremely high hardness.

This means it becomes sharper and enhances penetration efficiency until it completely penetrates or loses kinetic energy and ceases to move.

Its properties somewhat resemble depleted enamel crystals, but that material's pollution and radiation are too high—we could never use them.

As for the second point... we added a very small combat section to the rear half of the bullet."

"Combat section?"

During this period, Lin Li, as the camp's general manager, has learned quite a bit about weaponry, especially some basic ammunition concepts, so he immediately asked:

"That part behind the bullet? But isn't the combat section loaded with explosives?"

"That's the combat section of shells, where the explosive payload is typically in kilograms. Our armor-piercing bullets' combat section is different; it records a two-way acceleration array."

As Tang Pin spoke, he disassembled the bullet tail, revealing a small object somewhat resembling a button battery, and introduced:

"A two-way acceleration array refers to a strong acceleration array that applies push force horizontally to the right, and a weak array that applies push force horizontally downward.

The thrust of the former is over 7400 times stronger than that of the latter.

The strong acceleration array acts like a missile's secondary ignition, granting the bullet faster speeds mid-flight, enhancing its penetrative ability.

The weak thrust array is for vertical directional influence, providing more stability in the bullet's trajectory for precise target hits."

Just as Tang Pin said.

The powerful acceleration array's concept originated from Hua Jun's earlier discovery of the Tier One Light Spirit Talisman, which grants objects faster directional movement speed, like someone running as fast as Western reporters.

This talisman, after Tang Pin and his team's improvements, was optimized into a miniature acceleration array, allowing it to instantly boost the bullet's firing speed.

This array is not hard to operate; micro-engraving doesn't even qualify as black technology.

What truly consumed Tang Pin's team's efforts was the weak thrust array applied horizontally downward.

A bullet's trajectory is exceptionally complex, involving a multitude of principles, and requires several years just to grasp the basics.

However, there's a fundamental concept that should be widely recognized—that a bullet's trajectory is a parabola.

Indeed.

In practical situations, the bullet's trajectory is not just a simple horizontal motion, but a parabolic track at an incline, though for ease of understanding, it's likened to horizontal motion.

Little known.

If the horizontal parabola has a greater speed, then the object will eventually travel farther—this point can be intuitively observed by pushing a coin off a table edge with varying force.

Therefore, once a bullet accelerates horizontally, there's no doubt the kinetic energy increases, but it may fly past the target, becoming an artistic outline in the human form.

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