It has always been a forbidden area for mortals.

It is impossible for humans to set foot in it.

Because of this problem, the research on the Three Questions of the Gods has once again entered a stage of stagnation.

Without any choice.

Yan can only continue to solicit various speculations from the public.

Find ways to test the speed of lightning and thunder.

at last.

Among the massive guesses, Yan found a constructive guess.

"Lightning appears to be light, and thunder appears to be sound..."

After seeing this guess, Yan suddenly realized.

Directly choose to replace thinking.

He began to change his mind and led the Dayan Research Institute to test the speed of light and sound.

then……

The answer came quickly.

"The speed of light is too fast. If you hold a huge mirror and point it at a point dozens of miles away, and reflect the sunlight, it can reach it in an instant!"

"But the sound has a certain delay. The farther the distance, the slower the listening..."

in test.

Yan saw the speed of light for the first time, and was astonished.

After this incident, he was finally sure of the answer to the second question in the Three Questions of the Gods.

Because light travels faster than sound, lightning is seen first and thunder later.

……

The 29th year of the Great Yan calendar.

With the emergence and popularization of various inventions.

The national strength of Dayan Kingdom...

began to climb rapidly.

The emergence of various plowing tools with simple and convenient structures has saved a lot of manpower and material resources.

Improvements in irrigation and fertilizer retting began to double yields.

The treasury of the Dayan Kingdom has long been filled with food.

There has been a large surplus in fiscal and taxation.

in this case……

Yan spent nearly two-thirds of his fiscal revenue in the Dayan Research Institute and rewarded those major inventions.

This makes the enthusiasm of the people to invent more and more high.

Every day, hundreds of inventions pass the audit of the Ministry of Industry.

Among them, those with practical value will be mass-produced and pushed to the whole country.

It is worth mentioning that……

in this year.

Sun Huyuan, who had previously improved the proportion of gunpowder, once again came up with a series of gunpowder-related inventions.

He simulated bows and arrows, and made steel-structured muskets and iron-pipe cannons.

The power of gunpowder was fully exerted.

As long as the musket ignites the match, it can shoot fire.

Ordinary iron armor can't stop the close-range attack of muskets at all.

The power of artillery...

It can even bombard the city.

No matter how strong the city wall is, it will collapse after ten shots!

After seeing the functions of muskets and artillery, Yan was ecstatic.

Directly breaking the rules, Sun Huyuan was recruited into the Dayan Research Institute, where he was specially responsible for the research of gunpowder.

And muskets and cannon...

Then it was delivered to the Ministry of Industry, mass production began, and the entire Dayan army was armed.

Chapter 82 Three Volumes of the Book of Heaven, Obtaining the Coordinates of the Unowned World

The 30th year of the Great Yan calendar.

In this year, various inventions still showed a blowout development.

One of these inventions...

It played a vital role in solving the last question of the Three Questions of the Gods.

That is the grinding of glass products and the appearance of magnifying glasses!

Someone in the folk discovered that after grinding glass, objects can be enlarged.

According to the angle of grinding, the size of the convexity formed...

Higher magnifications are possible.

After Yan accidentally saw this invention.

It was very keenly associated with the last question of the Three Questions of the Gods.

Three questions from the gods.

If you drink boiling water, you will not get sick, but if you drink river water...

But it is easy to have diarrhea and cause various discomforts.

obviously.

There is a fundamental difference between river water and boiling water.

So……

The difference between river water and boiling water has always been the research focus of Dayan Research Institute.

But with the naked eye.

Can't see the difference between the two at all.

And the magnifying glass appeared.

Yan provided another way of thinking.

A magnifying glass can magnify objects, can it magnify boiling water and river water?

then.

Dayan Research Institute began to use a magnifying glass to observe river water and boiling water.

at the very beginning.

The magnification is too low to see anything at all.

Without any choice.

Yan could only order that the research institute increase the power of the magnifying glass as soon as possible.

And as the multiple increases...

Observations of river water and boiling water also became clearer.

Gradually.

In the river, Yan actually found many small black things that were constantly trembling and floating!

When he saw this scene, he was startled.

Subsequently.

In the observation of boiling water.

He found……

In the boiling water, there is obviously less floating black matter.

"Could it be that these things make people have diarrhea and make them sick?"

Compare the two phenomena.

Yan murmured: "But what are these black things? Why do they make people sick?"

Research, keep going.

in the next time.

The Dayan Research Institute continues to manufacture multiples of the magnifying glass.

Finally, I can clearly see the overall appearance of these black floating objects.

They are extremely ugly, and occasionally there are some small long strips of bugs.

It is very similar to the worms that grow in the stomach of some people after they suffer from malaria.

This is the end.

The last question of the Three Questions of the Gods has also been resolved.

Yan was extremely excited.

Immediately, he left the Dayan Research Institute and went to the temple.

Kneel under the futon.

Looking at the statue devoutly, "The great and omniscient god, after four years, finally answered your three questions..."

Subsequently.

He explained them one by one, including gravitation, the speed of light and sound, and the discovery of black objects in water.

"My life has a limit, but knowledge has no limit. Yan is more aware of the words taught by the gods that day."

Yan's expression was complicated and full of emotion.

In these few years.

The development of Dayan Kingdom can be said to be changing with each passing day.

The emergence of various inventions has changed the lives of the people and made them more convenient.

And with the in-depth study of the Three Questions of the Gods...

He also felt the vastness of knowledge more and more.

The more you know, the more you realize how small you are.

Although Dayan Kingdom has already solved the three questions of the gods.

but……

Even up to now, he still has a lot to understand.

For example, what is the nature of the force that pulls the object to the ground?

Where did it come from?

How powerful is it?

The speed of light is faster than the speed of sound, but how fast is the speed of sound?

And how fast is the speed of light that can travel tens of miles in that instant?

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