On the target field, Lin Li looked in the direction Tang Pin pointed.

About seven or eight meters in front of the three of them, there was an unusual circle with a diameter of about two meters.

This circle was described as unusual mainly because, besides the various equipment with a clear tech vibe surrounding it, there were several talismans engraved with mystical symbols.

Clearly, this was another piece of etheric technology.

Seeing Lin Li was a bit confused, Tang Pin spoke up to explain:

"Old Lin, didn't we just discuss that MC-290 and solid spiritual energy easily undergo a high-pressure reaction, releasing enormous energy?

According to our tests, this energy density has surpassed existing explosive compounds.

Even CL20—hexanitrohexaazaisowurtzitane—is vastly inferior.

The cost of this reaction is extremely high; we have limited beast crystals, and it requires high-pressure conditions.

Thus, large-scale application is impossible in the short term.

However, we found during experiments that this reaction energy can sustain a helium iron cycle chain reaction in a given area, with a volume ratio of roughly 1 to 500.

Meaning that one cubic centimeter of solid spiritual energy-MC290 mix can provide the energy to form a 500 cubic centimeter protective barrier."

Lin Li thought, stroking his chin, and slowly said:

"One to five hundred... So, for a cubic meter barrier, you need two thousand cubic centimeters of mix?

We currently have seven beast crystals, about fifty or sixty thousand cubic centimeters?

Does that mean all our beast crystals combined are only enough for 25 cubic meters of space?"

Hua Jun nodded, then took out a file from his clothing and handed it to Lin Li:

"Old Lin, this is the defense experiment report we conducted; all specific values are in there. Our weapons can't shatter the barrier from any direction.

It means it can act as a barrier or as a confinement space, locking the target tightly inside."

Lin Li received the report and began to read it closely.

Although Hua Jun had orally described the barrier's defensive effects previously,

in situations involving Nascent Soul Realm battle power, a written report is evidently more persuasive.

The first page of the experiment report was relatively concise, covering the results of various conventional weapon tests.

Just as Hua Jun said, whether it was a 30mm depleted uranium armor-piercing shell or steel needle projectile, none could break the barrier's defense—no surprise there, as the barrier's attributes were judged in the enclosed chamber.

Steel needle projectiles might have a defensive breaking effect on mid-stage Core Formation Realm cultivators or beasts, failing to penetrate the barrier is expected.

But from the second page, the experiment results became astonishing:

Special high-energy rays in non-ionic states also had zero effect on the barrier.

This high-energy ray isn't like the cosmic 100TeV energy particle streams, but rather the strongest single penetration weapon available locally—bracket, experimental level.

What's "experimental level"? It means powerful in the lab, but lackluster outside, with little practical use.

Laser weapons are a typical representative.

Laser weapons are common in sci-fi novels; they attack directly with large amounts of energy at light speed.

The most potent lasers can generate hundreds of millions of degrees instantly, essentially targeting anywhere instantly.

But on the other hand, they are greatly limited.

For example, they are constrained by weather, unable to fight all-weather.

Theoretically, even if there's a Xiao Jingteng, they could completely suppress incoming laser weapons.

Despite the limitations, in terms of power alone, laser weapons are definitely T0-level big killers.

If weather conditions are adequate and energy is sufficient, even stacking armor won't help.

An aerial laser weapon consuming 30 kilowatts and with an end output efficiency of only 6% can burn through five millimeters of steel at a kilometer.

This magnitude is modest for laser weapons, exhibited at the Zhuhai Airshow in 2018 for use by drones.

Currently, local laser technology has developed relatively well, like our zkzm500 laser gun.

This laser gun has an effective range of over 850 meters, can fire continuously for 2 seconds, and can emit a thousand laser shots, but its specific parameters are sensitive and won't be detailed here.

It's not just our zkzm500; the old eagle's ship-mounted solid laser weapon was successfully tested last year.

The old eagle's test involved the main battle ship LPD-27, indicating that current laser weapon energy consumption, guidance, control can be integrated into active warship systems.

That's why front-end technology is described as circled back; many sci-fi techs are not only prototypes but have even reached initial stages.

Sure.

The old eagle's thing is mainly for dealing with surface submarines, effective range like Brother Qian's is short, unnecessary to fear too much.

As for this SHIELD, it's not discussed, given it hasn't been delivered, and the announced megawatt power is quite exaggerated—not impossible, but the carrier is too small.

Overall, laser weapons are no longer considered unformed, at least at a prototype stage.

Real-world laser weapons are as such, not to mention laboratory-grade ones.

On the target field, Hua Jun was introducing to Lin Li the effect of laser weapons on the barrier.

As the head of the defense group, he understood the relevant data very clearly:

"Laser weapons typically have a 1-2 stage conversion, initially requiring a seed source to convert electrical energy to light energy, with efficiency between 25-55%.

Subsequent stages to enhance beam quality or energy density involve one or multiple light-to-light conversions, efficiency ranges around 50-80%.

Considering the final focusing or combining energy losses, laser weapons' electrical-to-light final conversion efficiency is estimated at 1-10%.

In the lab, we achieved over 40% light output efficiency through free carrier absorption lamp loss mechanism....

Old Lin, do you remember the power report I hit on a bit over a week ago?"

Upon hearing, Lin Li pondered for a few seconds, then suddenly thought of something.

Lightly slapped his forehead, shaking off several wilted hairs, and realized:

"So it was the report on the peaking 40,000 kilowatt electrical power? Was that for a laser defense experiment?"

About over a week ago, Lin Li received a report from Hua Jun.

The report called for a 40,000-kilowatt generator power suddenly, leaving a deep impression.

At the time, Wang Qiang had murmured whether Hua Jun was preparing to rap in Maple Country.

What does 40,000 kilowatts mean?

The entire Damo thermal power plant only had one 480MW generator supplying power, translating to 480,000 kilowatts.

This 480MW covered the power consumption of the Fire Camp, military base, Life Experiment Base, and Chixian City.

Including the computational power consumption of supercomputers 'Zhou Bi' and 'Hou Yi' in operation.

Hua Jun's extraction nearly halted most regular projects for at least 40 minutes.

Then Hua Jun submitted the report under the guise of a defense talisman research project, combined with his position in the Military Institute and as an academician.

Therefore, Lin Li ultimately approved the application.

In the end, who would've thought... Hua Jun was doing a laser penetration experiment?

Why do these researchers all love playing unexpected tricks?

Hua Jun chuckled, scratched his head twice, and said:

"Correct, I was preparing a surprise for the command center.

According to our experiment, within a distance of two meters.

A super high-energy laser beam that can penetrate 500mm main battle armor in 7.7 seconds couldn't affect the barrier in 280 seconds of continuous operation. (2017 University of Göttingen experimental paper: B.(2017). Nonreciprocal lasing in topological cavities of arbitrary geometries. Science, 358(6363), 636-640.)

During this period, the solid spiritual energy-MC290 reaction continued, so theoretically, the barrier could completely defend against full-scale Nascent Soul-level attacks.

Given Wei Siming's video recordings, we can approximate the attack power of the Nascent Soul Realm.

I could say, even if an attack ten times stronger than that Fourth-Layer Nascent Soul Sword Cultivator, the instant release energy at a single point wouldn't surpass that laser beam, except our laser beam lacks combat capability."

Hearing Hua Jun's words, Lin Li couldn't help but breathe a sigh of relief.

Though they could only activate limited isolation spaces for now, at least this proved they were capable of confronting the Nascent Soul's early threats.

No longer like earlier times where, once the Nascent Soul approached, there were no measures but mutual destruction.

Then Lin Li suddenly thought of something and continued to ask:

"Academician Hua, how long can this barrier trap the enemy?

And... What's the purpose of those talismans?"

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