Hogwarts I have been guarding Azkaban for ten years

"So, what do you want to do?"

"Do you have any good ideas? Count me in!"

The corners of Browder's mouth curled up slightly. Sure enough, when talking about these things on the edge of illegality and crime, these two living treasures would reveal their true colors.

Putting away the Marauder's Map, Browder said lustfully: "Why, don't you want to be a simple businessman? Although our future cooperation will not end like this, but this kind of personal matter I think I It’s better to study it yourself.”

The more mysterious Browder became, the more itchy the Weasley twins became. They just felt that this was the most interesting thing in the world, as if there were a hundred cats scratching at their hearts and they couldn't get rid of him.

"Professor Browder, I think we should think about being a businessman first."

"Yes, we can be businessmen and also help you, Mr. Browder."

Seeing that both of them were convinced, Browder knew in his heart that these two people would definitely not give up this good opportunity. The time was almost here, so he was ready to reveal his research direction. 7K妏揩

"Well, since you sincerely requested it, then as a professor, I will mercifully serve you as my assistants on this project. You must remember that this project is a bit inappropriate for others to know, so I want you to Shut your mouths, do you understand?"

"I swear I will never tell anyone!"

"Very good," Browder nodded with satisfaction, "Look at the Marauder's Map in your hands, what do you think of this thing?"

"Awesome! We have to wear it whenever we do good things, so we can observe the people around us!" said the Weasley twins without blushing and out of breath.

"Very good, but have you noticed a problem? This Marauder's Map can only observe people's locations, but it cannot see what people at each location are doing."

The eyes of the Weasley twins brightened up, but they soon fell into confusion: "We can't know what those people are doing. Although I don't know the purpose of the Marauder's Map yet, but some kind of positioning magic is probably used. Only This will display other people’s information, but if you want to see what others are doing, I mean, how is this possible?”

Browder explained patiently: "You seem to have been playing in my model for a long time recently. Did you know that there is something called a camera in it?"

The twins looked at each other and shook their heads.

The two of them had been playing games when they entered the model world. They didn't know what the camera was, but the King of Fighters and Mario the Plumber knew everything about it.

"Ok."

Browder had no choice but to briefly introduce the working principle and operating mechanism of the camera to the two of them.

The two of them were very interested in this weird thing, and they were quickly attracted by this thing, and their brains began to think crazily.

"I got it!" George shouted, and then Fred, not to be outdone, said he had an idea.

"Tell me."

"It's very simple. The working principle of this camera is actually the optics that Professor Browder mentioned in class. We don't need to make something so complicated. We only need a magic item that can receive light from an area to show that area. What’s happening now!”

"That's right, we can make many things like cameras, and then let the images collected by that thing be transmitted to the Marauder's Map!"

Browder was very satisfied with the performance of the two. He originally had similar ideas to the two.

"What you said is very good. Although it is all theoretical knowledge, what I want to tell you now is how to achieve the effect you want.

If we want to see other places, the first thing we need is eyes, but the target of this eye is too big, so we must create something more secret to cover it up. "

Browder knew that it would be impossible to build something as big as a camera in Hogwarts. It would be difficult for others to see such a big thing, so the first thing to do was how to hide it. Eye shape.

The Weasley twins scratched their hair uneasily. For a while, they couldn't think of anything that could be hung anywhere without attracting attention.

I saw Browder tearing off a piece of paper from his book, shaking it twice in his hand, and making a clattering sound: "Just use this, paper man."

Browder waved his hand, and the paper folded itself into the shape of a little man.

Under Browder's command, the little man stood up and took two steps, then lay down on Browder's log table.

"No, Professor, such a big piece of paper will still be seen."

"Really? What about this?"

Browder snapped his fingers, and the white paper originally lying on the table began to change color, gradually turning from white to the same wood color as the table. Because of the thickness, it is impossible to tell that there is a small paper here. paper man.

"Wow! This is really great!" The Weasley twins exclaimed.

"Okay, now that we have completed the first step, let's start the second step, which is to carve magic words on this that can collect light."

In the wizarding world, the reason why many magical items can exert special effects is that they are either made of spiritual materials, such as wizards' wands, or the wizards have made some manipulations on them and carved some special magic words. On top, make it work like no other.

For example, Ron’s father’s flying car.

Now what Browder and Gemini have to do is to carve a magic text that can collect light into it.

This magic text is neither complicated nor simple.

Because they need to convert these collected lights into pictures.

Just like the eye collects light and then creates an image in the retina, collection is not the key, translation of the image is the top priority.

Of course, you need to transfer these images to the Marauder's Map later. This is the third step.

This cannot be achieved overnight and requires a lot of experimentation and verification.

Because magic text is a dead thing, and the effect that a few people want is to live, it is impossible to say that I want this effect, and then I can find the corresponding one by looking through the magic text book.

The status of several people is that this magic text seems to be very suitable for this stage. We tried using this magic text, and then found that this magic text conflicts with the following. We must either replace this one or replace the previously prepared magic text.

If you replace the previous magic text, you must also consider whether there will be conflicts with the magic text in the previous stage.

It's a huge project, but for now, everyone is having fun doing it.