a certain scientific harry potter

"I think you're a bit unfair, Hagrid," but Hermione didn't think so, and instead loudly defended Lockhart, "Even Professor Dumbledore thinks he's the most suitable candidate to be a professor..."

"It should be the only candidate~" Hagrid waved his hand indifferently, "Do you know how difficult it is to find a Defense Against the Dark Arts teacher now? Almost all wizards think this job is unlucky, and there is no one who can do it." of."

"In that case, Lockhart can be considered courageous." Harry asked with a slight smile, "I heard that he also graduated from Ravenclaw College, so he must have been a good student when he was in school." A student who is both excellent and courageous?"

At this moment, no one noticed that Harry's wand hidden under the sleeve of his robe was emitting an undetectable light from the tip at the moment, and at the same time it was silently vibrating at an extremely fast frequency.

The voice spell, this is the result of Harry's research during this time. He can perfectly record the conversations of everyone in the room today with his wand.

In other words, Harry felt that he should really thank Lockhart. On the way here, he was still thinking about how to bring Hagrid's topic to Lockhart, but this guy couldn't wait to shoot himself. up.

"Hmph, I don't know if it's good in character and learning, but his bravery is completely wrong~" Hagrid muttered disdainfully, "As far as I know, when he was in school, he once put his It was magnified and placed in the sky of the school, like..."

Hagrid's expression froze for a moment, and he lowered his voice slightly before continuing, "It's like the mark of that mysterious man."

"Another time on Valentine's Day, many people witnessed hundreds of owls rushing into the auditorium... Hey, can you imagine that scene? Countless feces and feathers rained down on the porridge, directly causing No one in the auditorium had breakfast that day! As it turned out, it was Lockhart who had written eight hundred Valentine's Day cards for himself in order to become famous!"

After Hagrid's indignant remarks, Colin's hand for taking pictures froze immediately, and Hermione's complexion also changed suddenly.

As for Harry, he felt infinite emotions in his heart... Lockhart's old black material is really amazing~

What an avant-garde performance art to cosplay Voldemort's Dark Mark with his own portrait.

"Hagrid, that's enough! I don't believe Professor Lockhart is like that!"

However, Hagrid's revelation really angered Hermione, because the high school girl who was so star-chasing and even a little dizzy got up angrily, slammed the door and left with a cold face.

"No... what did I say, why did she react so much?" Hagrid had no idea how he had made Hermione angry.

"Just kidding, I'll just coax you back later~" Harry signaled Hagrid not to worry, and at the same time turned to Colin, "Colin, I'm satisfied today, you can go and see Hermione for me now, Then go back and develop the photos? Hagrid and I have something else to do later."

"Okay, no problem at all!" Colin hurriedly nodded in agreement, but then asked timidly, "After the photo is developed...can I have your autograph?"

"That's my honor~" Harry's smile is impeccable and kind, like a wolf with a big tail that lures a little white rabbit~

"Great!" Colin screamed excitedly, and jumped out of Hagrid's cabin.

"What strange things are you doing again?" Hagrid said with a hint of doubt in his tone, "Why do you feel that you have no good intentions for that child?"

"Don't worry, it must be a good thing~" Harry waved his hand indifferently, took out the letter paper he had prepared earlier, transcribed the voice recorded by the wand into words on the paper, and then sealed it firmly with an envelope.

"It's done! Hagrid, you've helped me a lot this time. When the crackdown on counterfeiting succeeds in the future, I'm sure you'll be part of it~"

"What nonsense are you talking about?" Hagrid urged in a bewildered manner. "If we're done, we'll hurry up and leave. Didn't we agree to go to the Black Lake to take care of the horse-shaped water monster?"

"Don't worry, let's go now~" After putting away the envelope properly, the smile on Harry's face flashed away.

Don't worry, black material or something, this is only the first copy~

(ps In this book, all the dark history of Lockhart comes from the Harry Potter wiki, and the introduction to Lockhart written by Aunt Rowling in Pottermore. I don’t even need to add any extra oil and vinegar~)

Chapter 120 VII The color of the black lake may be colorful

"Luna?"

When Harry and Hagrid came to the Black Lake together, he found a familiar figure by the lake.

"Isn't this the freshman this year?" Hagrid turned to Harry curiously, "She... is your friend?"

What Hagrid really wanted to ask was if they wanted to come back to Black Lake at another time.

After all, it is better to keep the matter of the horse-shaped water monster a secret from the students.

"If it's Luna, it's fine." But Harry didn't care about it. The other party even knew about the ring, and Harry basically had no secrets from her.

"You're here." Luna looked back at Harry, but she didn't look surprised, as if she had already seen everything behind her.

"Yeah, we meet again." Harry nodded with a smile, "Are you coming to the lake to see the scenery?"

"Come to look for the trace of the big mouth color ball fish."

Luna's voice was still ethereal, and the words still sounded so garrulous to Harry.

The Bigmouth Ballfish is obviously the same as the Bubble Snot Monster and the Curved Snork, a species that Luna is sure to exist, but has never been discovered.

But Harry was sure that even if this big-mouthed colored ball fish really existed, it was absolutely impossible for it to live in the black lake.

Because Harry knows that there is a magical animal called the ball fish.

This is a small spherical fish with two long legs. They are not dangerous in themselves, but they are regarded as a scourge by the mermaids.

Once the mermaid finds the ball fish in the water, they will tie their long legs into knots and let them float along the current to other places.

But Harry felt that the reason why the mermaids did this was probably because of jealousy.

After all... Mermaids don't have legs~

Therefore, the big-mouthed ball fish in Luna's mouth, no matter how big its mouth is, it is still a ball fish. Mercus will never allow this thing to appear in the Black Lake.

After a brief chat with Luna, Harry didn't hide from her, and put his hand to his mouth and blew a whistle, calling for his water car.

"Sigh~"

Hearing the call, the horse-shaped water monster let out a joyful long hiss, jumped out of the water, and galloped to the shore.

Behind it, Harry also saw Mercus, the patriarch of the mermaids.

"Is this also your magical animal?" Luna's eyes brightened a lot, as if she was very interested in it.

"Well, this is a horse-shaped water monster, and its name is Kyle." Harry stroked the horse-shaped water monster's neck, and at the same time he did not forget to say hello to the mermaid who rushed over, "Ms. Mercus, we haven't seen each other for a long time~ "

"Yeah..." The mermaid nodded slightly, her face seemed a little worried.

"What happened?" Harry asked puzzled.

"A few members of the tribe are sick and have been listless for several days. We have tried many kinds of treatment methods, but none of them have any effect." Mercus sighed with a sad face, "Oh, I even wonder if they are poisoned…"

"Sick... Poisoned? Ms. Mercus, you can take these medicines first." Harry quietly took out some medicine bottles from the interspatial ring, "This is a refreshment and antidote, you can give it to the sick people first. Look, if it doesn't work, then I'll help you find another way."

"This... thank you so much!" Mercus tremblingly took the potion provided by Harry, so grateful that he didn't know what to do.

"We're all on our own, if you always say thank you, then you'll be offended~" Harry waved his hands in relief, but his expression was a little more puzzled, "It's just that I'm also very surprised, why do people who are so good suddenly get sick?" ?”

"I don't know, maybe it's caused by the deteriorating water quality..." Mercus was obviously also unclear about the cause of the mermaid.

"The color of the lake has changed." Luna said suddenly at this moment.

"You said...the color of the lake?" Harry froze for a moment, not understanding what Luna meant.

"I can't understand your conversation, but the water here is really different." Luna pointed to somewhere in the lake and said, "There is a very tiny thing spreading, it is quietly changing the texture of the lake water, making the whole The color of the lake is gradually changing.”

"Oh my god... what the hell is this girl talking about?" Hagrid was currently brushing the water horse with admiration, but when he heard Luna's words, he couldn't help feeling that there was something wrong with the girl's brain circuit.

Come on... Isn't the Black Lake black because of the accumulation of silt at the bottom of the lake?

"Color...wait!" Staring at Luna's big and protruding eyes, Harry seemed to suddenly understand something considering the series of unusual events just now.

"Luna, what color is the lake in your eyes?" Harry asked seriously.

"It's very rich, there are all kinds of colors, and the colorful ones are always changing, which makes it difficult for me to find the traces of the big mouth color ball fish."

Luna gave another answer that was completely abnormal to ordinary people, but this time, Harry didn't think so.

Because what she said can be established under certain special circumstances!

Considering this, Harry tentatively asked Luna for advice: "Luna, do you mind if I give you a quiz?"

"As long as it's not as smelly and long as Lockhart's." Luna's request was simple.

"Okay, then you face the Black Lake, don't move or turn your head." Harry asked Luna to maintain a still position, and he came to a place far behind Luna to stand still, "You now You can see me, right?"

"I can see that you are behind me, and it is very clear."

"She's not talking nonsense, is she?" Luna's answer made Hagrid stunned.

It's too fake to be able to directly see someone coming from behind~

"Now, can you still see me?"

But Harry looked very serious, he moved closer behind Luna, and continued to ask.

"I can see the outline, but not the face."

"Very well, what about my hand, what is in my hand?"

Harry held his wand straight behind Luna's head and asked the third question.

"Can guess it's a wand, but can't see it at all."

"The test is over." Harry nodded, walked around to Luna and asked, "Luna, do you like drawing?"

"I haven't drawn it before, but I can try it." Luna rolled her eyes and gave a relatively positive answer.

"Then... I'll provide you with drawing boards and paints after this. Can you draw the black lake you saw?" Harry seriously suggested.

"Okay~" Luna agreed happily, "Anyway, I have nothing else to do except look for moon frogs."

"Okay, then it's settled~" Harry smiled and nodded, "When your painting is finished, please invite me to appreciate it~"

...

"Harry, I really don't understand..." On the way back, Hagrid asked puzzledly, "That girl named Luna seems a little crazy, do you really believe what she said?"

"Hagrid, maybe Luna isn't talking nonsense." Hearing Hagrid's comment, Harry shook his head noncommittally.

"You know... When I transform into a golden eagle, the black lake in my eyes is also colorful!"

Chapter 120: Luna's eyes are very special

After some simple tests, Harry already had a basic guess about Luna's eyes.

It now appears that Luna is likely to be a special tetrachromat.

The so-called tetrachromats refer to the human beings who have four kinds of color-sensing cone cells in the retina.

Cone cells are the key to the eyes' ability to distinguish the color changes of incoming light. The average human has three types of cone cells that can distinguish red, blue and green, the so-called three primary colors of light.

Some color-blind people and mammals have only two types of cones.

Each type of cone cell can distinguish about 100 shades of the same color, and with each additional type of cone cell, the number of colors that the eye can distinguish will double.

Therefore, people with color blindness can see about 100 different colors, compared with [-] million colors that ordinary people can see.

But for tetrachromats, since they have a fourth type of cone, the number of colors they can see is... [-] million!

That's why, in Hagrid's eyes, the lake is mostly black, but in Luna's eyes, it is colorful and constantly changing.

But after testing, Harry also discovered that Luna might not be an ordinary tetrachromat.

Because her field of view is far wider than that of ordinary humans.

When normal human beings keep their heads still, the horizontal viewing angle limit can barely reach 230 degrees, so the front and side rears are absolute blind spots.

But after Harry's test just now, he found that Luna's viewing angle limit is likely to exceed 300 degrees, and only a very small range behind her head is her real blind spot of vision.

Harry didn't know why Luna's eyes were so special, but as far as he knew, the only birds with such a wide field of vision were those with lateral eyes.

Coincidentally, birds basically have four-color vision!

For example, Harry, after he transformed into a golden eagle, he can actually see a more colorful world just like Luna.

But the four-color vision of birds is still somewhat different from the four-color vision of humans, that is, the extra fourth type of cone cells. Birds are used to distinguish ultraviolet rays, while humans are often able to distinguish yellow.

Although the current research on tetrachromatic vision by scientists started very early, the true tetrachromat was not discovered for the first time until more than ten years ago. Therefore, Harry has no way to conduct a professional test on Luna. It can only be roughly judged by asking her to draw a picture.

Whether Luna is a tetrachromatic or not can be seen through the use of colors in her paintings.

In the following days, after Luna received Harry's painting set, she began to take these things to the Black Lake to sit and meditate regularly, but she didn't get started immediately, instead she often observed with a frown.

"The color of the lake is not pretty, and I can't draw what I want."

Whenever Harry asked why, Luna always gave such an inexplicable answer.

This kind of response made Harry somewhat speechless, but he had no way to urge Luna, and could only wait for Luna to take the initiative.

As for the sick merfolk, Mercus said that their symptoms had improved, and although they were not completely cured, they were already grateful to Harry.