The place Xiang Ci was talking about was very close to the outside of the city, a huge flat building that looked like a stadium. The place was heavily guarded, with many soldiers standing guard with guns, and we were only let in after some interrogation, and even Xiang Ci's identity didn't seem to play a role.

When we entered the venue, we were surrounded by people in white coats, no one looked at us, and there were huge devices everywhere, humming rhythmically, and it was extremely boring to get close.

Walking up the stairs leading to the upper floor, I could already vaguely see the inside of the stadium, the turf had been broken to the point of being like snow that had been ravaged by urchins due to the lack of maintenance for a long time, and the seats in the surrounding stands had been removed, for some unknown purpose. But I noticed that, contrary to the lack of heating in all the buildings, the temperature here was a bit high, I wasn't wearing much, and I was already sweating slightly, and I even saw a stocking-wearing calf peeking out from under the white lab coat of a female researcher who was hurrying by.

I didn't ask any questions, and waited quietly for Xiang Ci to speak, but Xiang Ci didn't say a word, and walked quickly in front of me. I stared at her firm and confident back, thinking that the people I saw along the way all had this kind of temperament, and there was no kind of apocalyptic decadence and cynicism at all. There weren't many military men on the streets either, and the whole city was more like a giant factory, with a tense rhythm and the thrill of creation.

Xiang Ci stopped without warning, I thought that my mind almost hit her back, and hurriedly stopped, looking at the hot body close at hand, I felt a heat on my face.

"It's here!" Xiang Ci turned around and smiled a little playfully, "Come and see their stuff." ”

I nodded in a panic and looked ahead.

We were in a place built at the top of the stadium with a bird's-eye view of the stadium, and the runway, which was supposed to be red, was a charred color, with a huge mirror set up at each of the four corners of the track, and I don't know what it did.

"Sit down and wait a minute, and they'll be experimenting soon." Xiang Ci sat down at a table and threw me a pair of sunglasses.

"What is this?" I looked up at the sky, and the sun wasn't very strong.

"What they want to do is a laser experiment, and if they don't want to be blind, they can bring it." Xiang Ci said.

As soon as I heard it, I understood a little, and hurriedly put on my sunglasses, "Xiang Mayor, are they going to use mirrors to reflect lasers to form a fence?" ”

"You guessed right!" Xiang Ci smiled and nodded, "I can't see that you're quite smart." ”

As a lifelong professional reflective light instrument, the mirror has long been imagined as a defensive laser weapon, but due to some limitations, it has not been realized.

It is not impossible for its practical mirror to reflect the laser, the reflection of the mirror to the light can basically reach the full value, and in the industrial-grade laser, silver mirror is also used for reflection or even multiple reflections. But it's not that simple to defend against laser attacks with mirrors.

Because the weapon-level laser is not like the laser we usually see for playing or cutting, it pays attention to instantaneous high power, and does not consider continuity. In the face of such a strong power, it is necessary to consider the little bit of the mirror that cannot be reflected, and if you are not careful, it will exceed the bearing capacity of the mirror itself and lead to failure. Even more serious is the effect of dust, which can seriously affect the reflectivity of mirrors, which ultimately makes this idea unfeasible.

But looking at the traces in the field, they have been experimenting for a long time and seem to have overcome these problems.

As he was pondering, the buzzing sound around him suddenly stopped, and the sudden silence made people feel like they were ringing in their ears.

"It's time to start!" Xiang Ci stood up and walked to the railing.

I rubbed my ears and followed, and a few people came out with a small cart with these thick cables attached to it, and a red crystal was fixed to the front of the cart.

It looked like a laser generator, and I took off my glasses to get a closer look. Xiang Ci saw me taking off my glasses, and hurriedly came over to stop me, "Don't ......"

Before I finished speaking, suddenly an even more manic voice sounded, the air in the stadium suddenly twisted, the ground refracted like a turbulent sea, a white light from my eyes directly through my brain, I shouted, and fell straight to the ground.

It was all white in front of me, and it slowly dissipated after a while, and I had some difficulty sitting up and saw Xiang Ci sitting next to me.

Seeing that I had accurately found her location, Xiang Ci was very surprised, and this surprise flashed away, and soon there was a look of confidence.

"Are you alright?"

"It's okay, the first thing I did was to find sunglasses and put them on, your lasers are amazing!" I sincerely admired that if I had this kind of thing as a weapon, I would not be able to count as many gega.

"It's very powerful, a nuclear reactor only has enough energy for one test after two days of work, and it's strange if it's not powerful." Xiang Ci said disdainfully.

I'm a little staggered, it's an indisputable fact that laser weapons consume a lot of energy, but it's really incredible that they consume so much energy.

"No wonder...... Can't find a way to reduce energy consumption? "I'm still thinking about making weapons.

"Of course you can, but the laser weapon is a simple energy weapon, how much output is given, the loss is negligible, do you understand the conservation of energy?" Xiang Ci stood up and said.

I got to my feet and looked cautiously at the test site below.

A white pillar of light formed a rectangle along the runway, still dazzling beneath the specially made sunglasses, and the four huge mirrors formed the four vertices of the rectangle, keeping the pillars of light in their proper trajectory.

"That's amazing, how did you do it?" I asked Xiang Ci.

"In fact, the reason is very simple, they installed a set of dust removal device on the mirror, and formed a 30-centimeter-thick dust-free layer on the mirror surface......"

"To the Mayor!" I interrupted her, "I think this is a great plan, and it will definitely protect your city!" ”

"Oh?" Xiang Ci was not angry at my rudeness, but there was doubt in my eyes about my position.

"Nothing, it's literal, I don't know why you don't approve of this plan." I asked.

Xiang looked at me and laughed, "Si'an, you are a suspicious person. ”

"I admit it."

"Then I'll give you an analysis." Xiang Ci sat back on the table again, "This city has a nuclear power plant that is still functioning, and the energy generated at full power is amazing!" At the moment we are only a third of the way open, and the rest of the reactors are shut down. ”

"Hmm." I agreed, knowing in my heart that she was going to lead the problem to the point where the problem was high.

"Now the electricity produced every day is divided into four parts, three of which are used for this experiment, and one part is used for other experiments and production life."

"So much? But this thing is only used occasionally, and more defense is still focused on early warning, right? I asked.

"Yes, you're smart, but look at the experiment below!" Xiang Ci seemed reluctant to explain any more, and pointed down.