April 20.

Today is the day of the new imperial examination and entering the palace to face the saint.

Cui Yao and the three of them got up early, finished freshening up, put on their most decent clothes, and made all the preparations before entering the palace.

"Master, don't you really need to recommend you to Your Majesty?"

Zhao Xiuzhu asked for the eighth time.

"Yes, Master, with your ability, you shouldn't just be a small Wannian county magistrate!"

Zheng Yuan also sighed.

"Even this guy Zheng Yuan can win the top spot under Master's teaching! With Master's talent, he should assist His Majesty and teach the East Palace!"

Cui Yao did not forget to belittle his old brother.

Qin Fan raised his hand and put it on the heads of the three apprentices, one by one.

"And to assist Your Majesty?"

"Still teaching the East Palace?"

"I went to His Majesty for the sake of my teacher, I'm afraid I'm going to lose my head!"

"In Wannian County, I work from 9 to 5 and am unattended, happy to be free."

"If you enter the court, someone will talk about everything. This is not allowed and that is not allowed! I can't stay any longer!"

"If you dare to mention it to Your Majesty as a teacher, you will be expelled from the division as a teacher!" Qin Fan said with a tiger face.

The three disciples were also well-intentioned.

It's just that Qin Fan doesn't want to be paid attention to by Li Shimin.

In case the other party really listened to the words of the three of them, he recruited himself into the court.

And Li Shimin is a diligent king.

You can't go down to court before the monarch goes to court, and he goes down to court by himself, right?

If you really do this, I am afraid that you will have to deduct money every day, and you will have to be punished every month.

And if it is overtime, the reward of the system will naturally not be obtained.

This is even more difficult for Qin Fan to accept.

Therefore, instead of going to share the worries of the king, it is better to work from 9 to 5 in this Wannian County.

Anyway, there are so many talents in Datang, there is a lot of lack of me Qin Fan, and there is not much Qin Fan for me!

After driving the three disciples to meet the monarch, Qin Fan paced to Sun Simiao's room.

The other party is playing a set of punches.

It seems to have a slight connection with the Five Fowl Play.

Once Sun Simiao wanted to teach this boxing method to Qin Fan, saying that if he studied diligently, he would be able to strengthen his body and prolong his life.

In this regard, Qin Fan expressed his gratitude and insensitivity!

Just kidding, why waste such a precious lazy nap time for morning exercises?

Is it because the health pills provided by the system can't shape a perfect physique, or is that the longevity pill unable to make Qin Fan live a thousand years old?

You can become strong by knocking on jelly beans, so why bother so hard?

After a while, Sun Simiao finished a set of fights and stretched his fists and feet.

Facing Qin Fan on the side, he asked, "Getting up early in the morning like this, this is not Mr. Qin's style!"

Qin Fan pursed his lips and said, "It's not to block you! It's been nowhere to be seen."

When Sun Simiao heard this, he smiled and said, "I see, it's not an honor to be old! But I don't know what is the important matter for Mr. Qin to find old age?"

Qin Fan twitched the corner of his mouth: This person can't hear his tone, right?

However, he was also accustomed to Sun Simiao's character and knew that the other party did not mean it.

So he reached for a box.

I opened the box and took out the glasses inside.

"This thing is called glasses, and it can also be called a sting. Why don't you put it on?"

"Whoa?" Sun Simiao looked surprised.

In fact, it was the name of the ancients in the Ming and Qing dynasties for glasses.

The so-called "sting" originally referred to the appearance of a thick halo covering the sun.

The glasses first appeared in the Ming Dynasty and were made of rose-colored wafers with a stronger color.

In other words, a type of sunglasses with a magnifying effect.

Therefore, people called it a sting.

However, now the glasses made by Qin Fan are transparent and clear, and they are surrounded by gold wire frames.

There is no "thick clouds covering the sun" at all!

Under Qin Fan's guidance, Sun Simiao put on the first pair of glasses in Datang.

"How can it be so clear?" Sun Simiao exclaimed.

What was blurry in the distance turned out to be so clear.

He could even count the flowers on the tree ten feet away, how many petals there were!

Even the stamens and the bees on the stamens are clearly visible!

Qin Fan smiled and said, "These are myopic glasses, which are made of concave lenses."

"You can also make reading glasses with convex lenses, but we don't have that demand here."

Of course, in addition to making glasses, concave lenses and convex lenses also have a role, that is, to make telescopes.

Place the two concave-convex lenses in front and back respectively so that they are in the same straight line, and then fix them with bamboo tubes.

A simple telescope is made!

Through the telescope, it is possible to see distant places that are difficult to see with the naked eye.

When Qin Fan told Sun Simiao about this, Sun Simiao suddenly fell into a reverie.

"Is there a type of glasses that allows us to clearly identify abnormalities in the patient's body?"

Hearing this, Qin Fan raised his eyebrows: "You mean something similar to a magnifying glass?"

Sun Simiao nodded and said, "Yes, it's a lens that can be magnified!" It's just that those lenses are very expensive and not clear, so they are not very useful for treating patients."

"I can make lenses with clear vision and high magnification. If you need it, I'll grind one for you."

Sun Simiao was overjoyed and said, "Then thank you Mr. Qin! But how much does it cost?"

Qin Fan patted Sun Simiao's shoulder and said:

"It's not worth much, it just takes some time."

Sun Simiao suddenly became anxious: "How can it not be worthless? Crystal clear, but priceless! I know Mr. Qin, you are not greedy for fame and fortune, but you can't break the bank!"

Qin Fan smiled and said, "I use glass, you can understand it as artificial crystal. Not only is it cheaper, but it's much easier to use than crystal in making lenses!"

Hearing this, Sun Simiao was surprised and said, "Is this true?"

Qin Fan nodded: "I set up the glass workshop in Qingniu Village, then you produce high-quality sand, which is suitable for firing glass." I'll take you around and see."

Sun Simiao was relieved to see that Qin Fan's words did not seem to be a lie.

This is, Qin Fan said, "But Senior Sun's words reminded me of something else."

Sun Simiao wondered, "What is it?"

"Microscope." Qin Fan gestured and said, "That microscope can magnify a thing hundreds or thousands of times!"

"If you use it, it will be much easier for you to study modern medicine in the future!"

"Hundreds, thousands?" Sun Simiao was shocked.

Qin Fan nodded: "In fact, the so-called microscope is a combination of multiple magnifying glasses."

"Several convex lenses are superimposed, and if they are just right, they can magnify the object exponentially."

"By the way, if you use a microscope, you can see that the smallpox virus we last encountered was an egg wrapped around a long stick." Qin Fan casually made an analogy.