After looking through the secret reports of the Flying Fish Company and Aoba Airlines, Li Qingye saw another piece of good news.

This good news was reported from the Black Tiger Canyon.

At this time, the Black Tiger Canyon was there.

Dr. Levi is in the "mine."

The so-called mining area is actually a hidden underground experimental site, which is ostensibly a lead-zinc mine belonging to the Aoba Mining Company.

Often by detonating explosives, some seismic waves are blown up, disguised as a sign of mining underground minerals.

For explosions of several hundred kilograms, the subtle seismic waves generated, although detected by seismic monitoring stations, generally do not arouse suspicion.

The underground of this "mining area" has long been hollowed out and built into an experimental site, in addition to an underground tunnel, there are also 5 underground spaces of different sizes.

At this time, it was in Experimental Field 3.

Dr. Levi's, along with his colleagues and research assistants, was busy assembling a basketball-sized device.

At the heart of the device is a small vacuumed space, about the size of a sesame seed.

Around this ultra-small sub-vacuum space are 16 cones, and the top of these cones has a device similar to the tip of a ballpoint pen, and the "ball" held by the "nib" is a uranium-235 with a mass of 0.01 grams and a purity of 99.99%.

That is, the uranium fuel of this device is 0.16 grams.

The remaining space in the cone was filled with TNT explosives, a total of 4.8 kg of TNT.

A sphere of 16 cones, encased in a composite material with a thickness of 30 mm.

The innermost layer of this composite layer is the alloy radiation reflection layer, the middle layer is a high-temperature resistant composite ceramic layer (which can withstand a high temperature of 5836 degrees Celsius), and finally the outer layer is a super-strong alloy generated in one piece, which is enough to withstand the internal TNT explosion for 3.2 seconds.

The innermost alloy radiation reflector layer has another very special role, which can be mutated into a superconductor under ultra-high pressure.

At the same time, metal powder is also added between the TNT and the radiation reflection layer of the gold alloy, which will generate a large flow of electrons at the moment of explosion, and then excite the mutant superconductor, forming a strong magnetic field that binds the explosion for 3.2 seconds.

This means that after detonating the TNT core, the entire blast energy is bound inside the sphere for 3.2 seconds.

Don't underestimate these 3.2 seconds, it is because of these 3.2 seconds that the uranium-235 beads on the top of the cone are instantly squeezed into the sub-vacuum space by high temperature and high pressure, and then force the uranium-235 to have a fierce nuclear fission.

Due to the existence of the magnetic field, the energy of the nuclear explosion was not vented at the first time, but was squeezed in the most core area.

The advantage of this design is that the fuel utilization rate of nuclear fission has skyrocketed, and the critical mass of nuclear fuel explosions can be reduced to a few milligrams.

The "Firefly" No. 3 in front of you is an ultra-small atomic bomb secretly developed by the Black Tiger Canyon Base.

This is also one of the few solutions screened out by Levi and a group of scientific researchers, combined with various new materials of Homo sapiens, through tens of billions of simulations through supercomputing.

The whole Firefly 3, weighing 17.3 kilograms, is equipped with 0.16 grams of uranium-235 with a purity of 99.99%, an explosive yield of 2.72 tons, and a nuclear fuel utilization rate of 85.6%.

After the assembly is complete.

Levi's and others, wearing protective clothing, left the experimental field and came to the special data monitoring room.

"The third test begins."

"Activate the transportation system."

The electric rail car carrying the Firefly 3 slowly drove to the test site of the test site.

The entire test site, 343 meters underground, is a hemispherical cavity with a radius of 50 meters, surrounded by several layers of artificial structure, which can reduce the blast wave.

"Detonate!"

After 3.2 seconds.

Rumble......

A small fireball exploded in the center of the test site, and light radiation, ionizing radiation, thermal radiation and shock waves followed.

Various data collectors feed the detected data back to the biological computer in the monitoring room.

The seismic wave monitoring equipment installed in the surrounding area only detected a faint seismic wave, and the power was only a few hundred kilograms of TNT.

In reality, however, Firefly 3 produced an explosive yield of 2.72 tons of TNT.

After reading the data, Levi nodded with satisfaction: "The firefly-type ultra-small atomic bomb can now be mass-produced." ”

"The next thing is to improve the old warhead before it." Another researcher said.

The reason why they developed this ultra-small atomic bomb was mainly for three purposes.

One is to conduct a nuclear explosion experiment.

This purpose has been achieved, and they have successfully conducted three ultra-small nuclear explosion tests at the underground test site near the Black Tiger Canyon.

And the outside world doesn't know anything about it.

The core factor that can hide from the outside world is that the explosion yield is small enough, with an average of only a few tons of equivalent, and the shock-absorbing structural layer of the experimental site, even if it is detected, the outside world will only think that it is blasting underground minerals.

The second purpose is to improve the utilization rate of nuclear fuel.

At present, Homo sapiens can refine 150~180 kilograms of uranium-235 per month, and can probably make 3 atomic bombs with a yield of 300,000 tons (Liesun 30), and a single Lieri 30 requires 52 kilograms of uranium-235 raw materials, and the utilization rate of nuclear fuel is only 30%.

There are currently 42 Liesun 30 in stock, as well as 283 kilograms of high-purity uranium-235 raw material.

After switching to the new configuration of the Firefly type, the explosion yield of 300,000 tons is also achieved, but the Firefly type only needs 18 kg of uranium-235 raw materials.

This means that after all the current inventory of Liesun 30 is transformed into Firefly-type atomic bombs, about 120 Firefly-type atomic bombs with a yield of 300,000 tons can be produced.

The third purpose.

It is to improve the atomic trigger of the B43 hydrogen bomb, after all, the atomic trigger of the B43 was designed by America more than 50 years ago, not only the waste of nuclear fuel is serious, but the radioactive contamination is also relatively high, and plutonium is still used as a raw material.

Levi was not only going to use the Firefly-type atomic bomb as a hydrogen bomb trigger, but also intended to improve the configuration of the B43.

B43, a hydrogen bomb in ancient times, often has a relatively low utilization rate of nuclear fuel, about 15%~20%.

The Liesun 100, which imitates the B43, currently requires 50 kilograms of deuterium as a raw material to reach an explosive yield of 1 million tons.

After Levi's supercomputing and the current firefly atomic bomb explosion experiment, he has found the direction of hydrogen bomb miniaturization and a plan to improve the fuel utilization rate of hydrogen bombs.

Miniaturized hydrogen bombs are estimated to have a minimum explosive yield of 1 ton (the atomic trigger produces 350 kg of TNT energy), but the volume is difficult to compress, and the weight is about 20 kg.

According to the model and data simulated by Levi's et al. in supercomputing, the fuel utilization rate of the firefly hydrogen bomb can also reach about 80~90%.

If the charge of 50 kilograms of deuterium is still maintained, the power can reach about 6.3 million tons of equivalent, which is a full increase of 6.3 times.

This is obviously excessive, and the weight of the warhead of 900 kg is not conducive to weight reduction.

Dr. Levi is already in discussions with engineers in the nuclear engineering department to develop a new warhead with a yield of 100,000 tons and a weight of less than 100 kilograms.

This is also the core idea of the current powers, which is to use hydrogen warheads with hundreds of thousands of tons of yield, and then load several sub-warheads in one missile.

The lethality of 10 hydrogen bombs of the 100,000-ton yield class is several times stronger than that of one hydrogen bomb of the 1 million ton yield class.

From the perspective of cost performance, the medium-yield cluster hydrogen bomb is the current mainstream solution.

The Firefly hydrogen bomb has another advantage, that is, the reaction is more thorough, resulting in a lower residual amount of radioactive materials, which can basically be called a clean nuclear bomb.

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(End of chapter)