"Please...give me a few days! Just a few days."

Director Wang turned around in surprise and met Mingzhao's firm eyes, and for a moment he was speechless.

Before Director Wang could reply, Mingzhao stood up decisively.

The chair legs scraped against the concrete floor with a screeching sound. Then, like a gust of wind, it vanished without a trace of recklessness.

He strode out of the conference room.

Su Xuan glanced awkwardly at Director Wang and Dean Zhang.

"Ah! This..."

He followed Mingzhao out.

Mingzhao returned to his own research room in the most remote corner of the research institute.

"Bio-farm resonance...replaces electronic filtering."

Mingzhao frantically searched his mind for information about the unique materials on this planet that he had learned during this period.

Target locked!

A technology that utilizes the internal structure of specific natural mineral crystals to generate a stable electromagnetic resonant field and passively filter out specific interference frequency bands!

Within the federation, this is merely an auxiliary measure used in extreme environments.

But now, this is the fulcrum that can break the current predicament.

Su Xuan walked over, and Ming Zhao told Su Xuan that she wanted to find a mineral.

Su Xuan didn't ask any further questions after hearing this. He turned around and went out to the logistics department to apply for the necessary materials.

A short while later, he came in carrying a large box of various ores.

"The crystal...is not pure enough. The magnetite...has too many impurities..."

Mingzhao opened her eyes and searched the box with her gaze.

Her mental strength is more unique than that of anyone else on this planet.

At this moment, I am carefully sensing the faint energy field inside those ores.

At the bottom of the box, a few unremarkable dark brown stones caught her eye.

This is……

Mingzhao took out the dark brown ore.

Su Xuan also stepped forward to examine it closely: "Looking at these unique cutting and usage marks, this should be a sample of ore that they discarded after experimentation."

Mingzhao used his mental energy to carefully sense the energy magnetic field inside the ore, probing its complex microstructure.

Chaotic, disordered... but within a specific range of crystalline quantum arrangement, she detected an extremely faint yet remarkably stable electromagnetic pulsation.

The frequency... is near the commonly used frequency band for shortwave communication! That's it!

“Found it.” Mingzhao’s lips curled into a smile, but it was immediately overshadowed by an even bigger problem.

Finding this ore is only the first step. How to utilize it? The precision resonant cavity and energy field guiding device of the interstellar era are nothing short of a fantasy here.

"Comrade Mingzhao, should we test our communicator again now?"

Su Xuan held the communicator, his eyes sparkling as he looked at Ming Zhao.

Mingzhao shook his head.

"Why?" Su Xuan asked, puzzled.

"Because when we test here, our test results are still the same as before."

Su Xuan still didn't understand.

Mingzhao patiently explained to him, "Didn't you understand what Director Wang just said?"

Su Xuan thought about it carefully and suddenly realized.

You mean?

Mingzhao nodded.

"So that's how it is..."

It wasn't that their presentation was unsuccessful, but rather that they encountered unusual interference signals in that conference room.

In scenarios where signals are interfered with, their maximum testing distance is only 6.2 kilometers in frequency wavelength.

"So what you need to do now is..."

"Didn't I already say? Portable, reliable, anti-interference, long-range."

——

Over the next few days, Mingzhao cut off all contact with the outside world, telling Zhang Mingyuan that she needed to take sick leave. She focused on conducting experiments in the research lab.

Except for special circumstances, Su Xuan brings her meals every day.

She carefully polished the ore with a whetstone, scraping off the purest powder.

Let's use a simple example and a soldering gun. Wrap the system wires around the inductor frame, one loop at a time.

With intense concentration, he precisely controlled the tightness and spacing of each coil, ensuring that the inductance of the coil and the resonant frequency of the mineral powder reached the theoretically optimal coupling point.

Sweat streamed down her fair face, dripping onto the dusty and solder-shaving workbench, forming dark spots.

A greeting suddenly came from outside the laboratory door.

"Mingzhao, open the door! Engineer Chen sent me to check on your condition."

A rough banging sound came from outside the door, along with researcher Wang Ai's sarcastic voice.

Mingzhao paid no heed. He was completely absorbed in testing the newly soldered resonant filter module using his homemade simple signal generator and oscilloscope.

On the oscilloscope screen, a jumble of interference signals appeared. The spikes appeared after passing through that rudimentary instrument made of mineral powder and copper coils.

It was indeed noticeably flattened out.

Although the effect was far inferior to the device Mingzhao had developed during the Federation era, this slight success gave Su Xuan his first glimmer of hope.

"You're pretending not to hear me even though you have a researcher from the University of Minnesota! Let's see how long you can hide."

Wang Ai left, grumbling and cursing.

Rumors began to spread quietly within the institute: "Have you heard? Mingzhao has gone mad. He's indulging in feudal superstitions in the lab, chanting spells over stones every day."

"Engineer Chen said it. She just can't accept failure, and she's suffered a mental breakdown."

Mingzhao doesn't care about rumors and gossip.

However, the biggest obstacle came from the lack of supplies. When Su Xuan went to collect the small list of transistors and resistors that Director Wang had specially approved and managed to obtain, he was shocked.

The warehouse keeper from the logistics department pushed several packages in front of him with a forced smile: "Here, that's all. The institute is short of resources lately, and Engineer Chen specifically instructed that we should prioritize the needs of key projects."

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