After the knocking on the door ended, a "Please come in" came from inside.
The two Female Advisor pushed the door into Paul's office and found the young count playing with a strange thing.
He was so engrossed that he ignored their entrance and didn't even look up.
The strange thing that the count was playing with was cylindrical in shape and seemed to be made of metal. It was fixed on a base on the table by two struts. The structure should be able to adjust the pitch angle like Artillery. The front end of the metal tube was getting thinner and thinner, facing a transparent glass piece.
And Paul is putting his eyes at the back end of the metal tube, as if he is carefully observing what is in the tube.
"Earl Greiman!"
Irene reminded him dissatisfiedly, "It is very impolite to ignore two ladies like this."
"Ah... give me a moment, I'll be fine soon. Hmm... the microorganisms in the two worlds feel the same."
Paul said something that left the two Female Advisor confused.
Soon he raised his head and said excitedly, "You two are just in time, come and see my new gadget - the microscope."
"What is this weird thing?"
"A thing that can magnify what is on the glass piece in front hundreds of times. Through the microscope, you can see a microscopic world that you have never seen before."
Paul The lens master hired with a lot of money lived up to expectations and finally ground lenses suitable for manufacturing early microscopes.
At the beginning, because the ground mirror surface was relatively rough, the effect was not ideal. As the lens master continued to try to improve his skills, and brought in a group of apprentices to participate in the experiment, the precision continued to improve, and finally the convex lens lens that was recognized by Paul was obtained.
Fortunately, the glass manufacturing technology in this world is relatively mature, otherwise he would still have to worry about how to make high-quality glass.
After countless failed attempts, Paul and the lens engineers assembled a "microscope", but I don't know how it compares with the early microscope invented by Leeuwenhoek.
Irene came to the table and imitated Paul's example and put his eyes to the back end of the lens barrel.
"Eh-"
Irene made a disgusting sound and quickly turned his head away.
Her almond-shaped eyes were round and she glared at Paul, "Are you teasing me, Paul Greiman?"
In the end, she read out the name Paul almost word for word, gritting her teeth.
However, Paul looked at her with a wicked smile.
"What is it?" Laddie tugged on her friend's sleeve. Although after getting along with him for such a long time, she knew that the earl was a generous man, but he was a lord after all, and it was a bit out of bounds for her colleague to speak to him in this tone.
"Look, he put some disgusting bugs in this cylinder to scare us."
"Diaz Miss" said angrily.
Laddie went up to take a look, and she was also given a big jump.
I saw some tiny "bugs" inside. Although they were too tiny to see their specific appearance, they were constantly swimming and squirming, which showed that they were alive.
"Your Majesty the Earl?" She suppressed her discomfort and turned her questioning and slightly resentful gaze to Paul.
Paul immediately put on an aggrieved look, shrugged and said, "You have wronged me. I didn't deliberately find some bugs to scare you, and they are not in this metal tube, but here."
Paul refers to the glass piece facing the front of the microscope.
The two Female Advisor looked at it together, and there was nothing on the glass except a trace of water.
"There's nothing up there!"
"Think about what I just said, you can see a 'microscopic world' that you have never seen before."
"'Microscopic world'? You mean that their bodies are so small that we can't see them with our eyes, and we have to use your 'microscope' to see them?"
"Diaz Miss" asked aloud, the scholar's thirst for knowledge overriding the anger just now.
"That's it. The microscope uses the refraction of light by two pieces of Convex Lens."
"Convex Lens?"
"The Telescope you used before was equipped with Convex Lens. The magnifying glass we used to burn ants when we were children was also a Convex Lens."
"I didn't have such vulgar and vicious hobbies when I was a kid."
"Ah... sorry."
They observed the microscope carefully. Indeed, in addition to the lens at the back, there was also a very small lens mounted on the cone-like front end.
Paul said, "Because the front lens faces the object being observed, I call it 'Objective Lens', and because the back lens faces the person's eyes, I call it 'Eyepiece Lens'."
Laddie asked him, "How did you get these bugs onto this glass piece?"
"Little bugs? I think it would be more appropriate to call them 'microorganisms' - tiny organisms that cannot be seen by the human eye. As for how to get them onto this piece of glass, I just dipped a little water and dripped it on."
Because most microorganisms, including bacteria, are transparent, it is not easy to observe them directly with an optical microscope. They need to be stained to clearly distinguish them. However, he is currently unable to produce artificial dyes such as gentian violet solution or acetic acid magenta solution. Fortunately, he can also use natural dyes such as litmus and hematoxylin. The Alchemist people recruited from Royal Capital helped him solve this problem.
"That's it." The two female scholars nodded, and they took turns using the microscope to observe again.
"There are still many things in this world that we don't know!"
"It is our duty to diligently explore these unknown mysteries."
The two scholars talked quietly.
Suddenly, they realized something.
"You mean... this is a random drop of water..." Laddie had a look of panic on his usually steady face.
"This means... what we usually use for washing..." Irene's tongue began to tremble.
"Jie Jie Jie!" Paul smiled evilly, "Congratulations on discovering the truth of this world."
"Ah——"
"Touch——"
As a scream spread throughout the Lord's Manor, a large group of guards and Chief Secretary Berna broke into the door.
As soon as they entered the door, they asked sharply, "Assassin! Is there an assassin?"
But they only saw two consultant ladies with green faces and the earl who looked like he was reading a joke.
Paul waved his hands to them and explained, "Everyone, nothing happened. I was just discussing some matters about small lives with the two consultant ladies."
Little life matters? Discuss with the lady... or with two beautiful ladies? Everyone lamented that the young earl had grown up, and exited the room with a tacit expression on their faces.
"Ladies, there's nothing to worry about. As long as we don't drink raw water into our stomachs, these little things won't do any harm to our bodies. And I also found that they can be killed by boiling the water."
Seeing the two Female Advisors so frightened, Paul spoke to comfort them.
They can be killed by boiling water, and Female Advisor remembers this firmly.