In the end, the mirror problem was solved by Soroya.
She took mercury from the laboratory and directly painted a layer of bright coating on the back of the glass. The effect was similar to that of a mercury mirror, and it also eliminated the risk of mercury poisoning.
Compared to the mirror pasted with silver, the overall shape of the coated mirror was more reflective, so Roland simply took out a batch of crystal glassware and made a small portable mirror for each witch. This small gift of being able to clearly see their own appearance made all the witches very happy, even Scroll, who usually had a calm face, showed a smile. Roland could not help but sigh, although witches were infertile, they were still women.
Unfortunately, this convenient daily necessities could not be sold to the public at a low price. The crystal glass as the substrate was very expensive, and the laboratory also needed to consume a lot of glass to make the colorless transparent container. Kyle Sichi knew how to make the colorless glass, but the laboratory was busy with many tasks, so there was no free manpower – most of the apprentices were busy purifying the two acids and soaking the collodion, while the chief alchemist with two or three apprentices was concentrating on solving the problem of mercury fulminate. Before the industrial acid method was developed, they could not think of making anything else for the time being.
Apart from the reflector, the way to move the object was also changed from a finger to a knob to control the movement of the barrel. Roland only needed to remind Anna of these changes, and she could understand it. Under the processing of the Blackfire, the new fixed frame was quickly finished, and two sets of the highest magnification lenses were selected, thus obtaining the first complete optical microscope.
Taking advantage of the sunny afternoon, Roland summoned all the members of the Witch Union to the castle backyard, and the first natural biology class officially began.
…
When Lily walked into the backyard, she found that the plants here were even more luxuriant.
The grapes on the wooden shelves had already turned bright purple, and she remembered that it had been less than a week since they had last ripened. From time to time, Lightning would fly up, pick a bunch of ripe grapes, and throw them to everyone. And the big stupid bird, who had just joined Border Town, simply stood on the shelf, pecked at the grapes, raised its head, and swallowed them into its stomach.
Under the shade in the middle of the backyard, His Royal Highness and Anna were chatting. They looked like an intimate couple, but Lily knew that they were definitely not flirting. If he went closer and listened carefully, he would definitely hear a bunch of inexplicable nouns and baffling debates. For example, what a ball looked like, a cat that was alive and dead, matter turning into waves, and so on. This was probably the reason why Nightingale kept a distance of more than five meters from the two of them. If he listened for a long time, he would definitely feel drowsy!
Vendy, on the other hand, was always with Scroll. She always had a gentle smile on her face. Sometimes, she even felt that he looked at her as if he was looking at a child. Lily sighed helplessly. She glanced at Vendy's chest and then looked down at her own. There was indeed a world of difference.
When would he become like that? Only then would he no longer be a child.
After all the witches had arrived, His Highness Roland placed two grayish-black metal instruments on the table. That should be the microscope that he claimed could see the microscopic world. Lily thought, perhaps objects would indeed become different after they were enlarged, but was everything in the world composed of small balls? She still found it hard to believe. How could a round ball form a solid rock?
His Royal Highness asked the guard to bring a bucket of water. He took out a few drops and put them under the microscope. Contrary to what Lily had expected, the bucket of water was neither muddy nor dirty. Under the light, it was so clear that she could see the bottom. Could it be … that she could really see the flowing ball under the microscope?
"There is something moving in the water!" To her surprise, her sisters cried out one after another. "Ah, it ran away!"
"Not just one, there seems to be a lot of them."
"Oh my God, is this a bug? They all look different! "
"This one looks like a transparent crab …"
Lily's heart suddenly jumped. If it wasn't a ball, then it was a bug? His Royal Highness was really lying! But … it was also strange that there was a bug. Just a moment ago, there was clearly nothing in the water! When it was her turn, the little girl could no longer pretend to be indifferent. She couldn't wait to squint her eyes and put her head closer to the microscope.
Then she saw an incredible scene.
She saw that within the narrow aperture, there were many strangely shaped objects wantonly swimming around. Some were square and had soft hair all over their bodies. Some looked like a hybrid between a beetle and a crab. There were also some that looked like grains of wheat with feet. No matter how strange their appearance was, most of them were transparent, as if they didn't have a shell or skin. They could clearly see the inside of their bodies – of course, the stomachs of these bugs were almost empty.
"Your Royal Highness, are these really bugs?" Scroll asked.
"What you see should be some protists or single-celled algae. It is not appropriate to say that they are bugs, they should be classified as microorganisms." The Prince explained.
"Microorganisms?"
"Yes, they are also a kind of life form, but they are much smaller. In addition to the two you see, there are even smaller bacteria and viruses. The magnification of the current microscope is not enough to see these two kinds of microorganisms, and they are also the cause of food and various diseases. " The more His Royal Highness Roland explained, the more excited he became, "These tiny life forms are everywhere, and there are many of them. Fortunately, most of them are not resistant to high temperatures. That's why the water must be boiled before drinking, the fish must be cooked before eating, and the bathing water must not be reused."
Although it was hard to imagine that there were even smaller creatures than this, Lily couldn't help but have goosebumps when she thought of how she had swallowed a lot of bugs together with the water she had drunk.
Moreover, His Royal Highness said that these inconspicuous little things were the culprits of food?
If bread and meat porridge can be kept fresh, then water … should also be able to do so.
Thinking of this, she couldn't help but release her magic to cover the water droplets under the microscope.
An unexpected change happened.
She saw that some of the "bugs" trembled, and then quickly changed their appearance. Their skin was no longer transparent, as if they were wearing purple armor. Tentacles grew all over their body and began to devour the bugs around them that didn't change. No … it wasn't devouring, Lily saw that they were assimilating each other at an alarming rate. The tentacles were like sharp swords, after stabbing into the bodies of other microorganisms, they could also change the other party into their own appearance.
She didn't know whether it was an illusion or not, but she felt that these mutant bugs were still changing those invisible life forms. Soon, purple spots of light appeared in the water. After a few breaths, more and more spots of light gradually connected together, as if a layer of lavender carpet had been laid out in her field of vision. The tentacle bugs lined up one by one on the ground, neatly like an army. As if sensing her attention, their tentacles all raised up, as if saluting.
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