Genius is just the threshold for me!

Chapter 4 Laser Mosquito Killer

Lin Dong picked up a piece of white draft paper and pressed the laser device with his finger.

呲!

A thin beam of red light shot out, leaving a bright spot on the white paper.

In less than five seconds, the paper began to smoke, followed by flames.

"The beam of light is very stable, without flickering or diverging..."

Lin Dong looked at the flames and nodded in satisfaction.

The performance of this first laser device he actually built exceeded his initial expectations.

"Let's test the laser's absorption rate again..."

Lin Dong extinguished the flames, picked up a pencil and blackened a part of the paper, then turned on the laser again to irradiate it.

Bang!

This time, the flames rose in less than two seconds.

Sure enough, lasers were first discovered by the Americans, and their power increased dramatically when used on black objects.

"If this performance could be precisely controlled to aim at someone's eyes, it could definitely be considered a lethal weapon..."

Lin Dong extinguished the flames, looked at the laser device in his hand, and pondered how to further improve it.

My father, Lin Weiliang, only has a few books about lasers here.

Although with the blessing of his soul vision, he could forcefully improve and break through.

However, this would put an alarming strain on the brain, and a slight mishap could lead to another trip to the hospital.

The best approach is to find more advanced books and literature and stand on the shoulders of giants to move forward.

However, current lasers are already considered lethal weapons, and further advancements would likely involve military secrecy.

Lin Weiliang dared to take such documents and materials, but he wouldn't dare let his father take them, because it might send his father to jail.

After all, it's only 08, and lasers are still a relatively sensitive technology. It's not like the world's No.1 military laser weaponry that will be available in a decade or so, while civilian lasers are already being used to cut down trees.

"It seems that we can only collect data bit by bit and then improve the design based on the data feedback."

"With physical data as a foundation, there's no need to rely entirely on spiritual vision to force improvements and breakthroughs, which keeps the burden on the brain within a controllable range."

"But what are some good use cases for lasers? We can't just let them burn electricity and go to waste."

Lin Dong considered several ideas but still couldn't come up with a good scenario. Just then, Zhang Xiali called out from the restaurant.

"Xiao Dong, come and eat!"

"Okay! Here it comes!"

Upon hearing the sound, Lin Dong unplugged the laser to avoid accidental activation, then put the laser aside and got up to leave the restaurant.

Zhang Xiali served Lin Dong half a bowl of rice, then added some vegetables and placed it over with children's chopsticks: "After you finish eating, you can stay home alone for a while."

"Mommy, where are you going?"

Lin Dong picked up a piece of braised pork and stuffed it into his mouth, asking with a curious expression.

"We're out of mosquito coils at home. I just got bitten a few times by mosquitoes in the kitchen. I'm going downstairs to buy some."

As Zhang Xiali spoke, she raised her hand and scratched her arm, where several red rashes from mosquito bites had appeared on her skin.

Mosquito?

Lin Dong was stunned for a moment, then his eyes lit up.

Laser mosquito control!

This is exactly the practical application he's been thinking about.

Simply by setting up a laser in the garden downstairs, the mosquitoes will be eliminated, the risk of infectious diseases will be reduced, data on laser improvements will be collected, and everyone will be less bothered by mosquitoes.

This is practically a win-win situation for all four powerful rulers of Qin!

"To kill mosquitoes with lasers, the first problem to solve is mosquito identification, followed by preventing accidental injury. In addition, the laser device must be able to control its movement angle to aim at the mosquitoes..."

As Lin Dong chewed his food, he began to refine the practical application plan for laser mosquito control in his mind.

Mosquito detection can be achieved by adding cameras. Since there are lights in the community, cameras can easily capture images. This way, adding a motherboard with mosquito detection code solves the problem.

To prevent accidental injury, infrared sensors and human figure recognition can be added. When an infrared high-temperature image or a human figure image is detected approaching, the laser will automatically stop if either condition is met.

The most difficult part is aiming and firing the laser, because this requires a movable turret base...

"Looks like we still need to find Xu Qingling to solve this. It just so happens that the little girl said she wanted to show her the laser device once it was finished..."

Lin Yi recalled the Chengdu Aircraft Industry Group senior technician's uniform that Xu Qingling's father wore today, and immediately made up his mind.

A gun turret that can move and aim quickly can be seen as a machine tool workbench, and the mechanical and electromechanical processing involved is beyond its ability to handle.

But if we ask Xu Qingling's father about this problem, it's like Zhang Fei eating bean sprouts—a piece of cake.

Of course, this is on the premise that he can provide standard design drawings.

"Mom, I'm finished eating."

After finishing his meal, Lin Dong washed his hands and went into his study.

While clearing the dishes, Zhang Xiali glanced at her son and saw him log into his computer with a default blue sky and white clouds on the screen. Reassured, she continued with her work.

Lin Dong sat in front of the computer, not in a hurry to operate it, but first took out the book "CAD from Beginner to Expert" from the bookshelf.

Lin Dong's gaze immediately fell upon the first page.

With the aid of the Soul Vision, every word and every illustration on the pages seems to be directly imprinted into the mind.

From two-dimensional sketches to three-dimensional modeling, from parametric design to engineering drawing output, operational logic and functional modules are automatically linked together in his mind to form a complete knowledge system.

Half an hour later, the book turned to the last chapter.

Lin Dong closed the book, closed his eyes and went over it in his mind, then opened his eyes and looked at the screen.

Move the mouse and double-click the icon.

The CAD startup screen flashes by, followed by the classic black drawing space.

Lin Dong stretched his hands. The hands of a second-grade elementary school student were still too small. They were okay for playing games on the keyboard, but it was a bit of a stretch to operate the mouse and keyboard for design work.

However, thanks to his enhanced body control, Lin Dong only needed a few minutes to adapt before he mastered the two-finger keyboard technique.

shuh~

Move the mouse, and the first guide line will appear on the screen.

Then came the second, the third, circles, arcs, straight lines, spline curves...

Drawing commands flew by at my fingertips, and the mouse cursor moved rapidly.

In the black drawing space, the white lines seem to come alive, extending, converging, and closing one by one.

Turret base, horizontal rotation mechanism, pitch adjustment mechanism, laser mounting bracket, micro stepper motor mounting position, camera mounting position, infrared sensor mounting position...

Individual part drawings are formed on the screen and then combined into an assembly drawing.

Sigrún has taught at the Iceland University of the Arts as a part-time lecturer since and was Dean of the Department of Fine Art from -. In – she held a research position at Reykjavík Art Museum focusing on the role of women in Icelandic art. She studied fine art at the Icelandic College of Arts and Crafts and at Pratt Institute, New York, and holds BA and MA degrees in art history and philosophy from the University of Iceland. Sigrún lives and works in Iceland.

Click!

Around 7 p.m., Lin Weiliang dragged his tired body into his home.

"You're back? Have you eaten?" Zhang Xiali poked her head out from the kitchen.

"I ate at the cafeteria." Lin Weiliang rubbed his stiff neck, which was a bit sore from a busy afternoon. "Where's Xiao Dong?"

"He's in the study, playing on the computer."

Zhang Xiali lowered her voice and said with a smile, "Go and take a look."

"What's so interesting about playing computer games..."

Lin Weiliang muttered something to himself, but still walked toward the study.

The study door was ajar. As soon as Lin Weiliang reached the door, he heard the rapid clicking of keyboard and mouse.

This sound... doesn't sound like it's from a game?

Lin Weiliang paused slightly, then gently pushed open the door.

At the desk, Lin Dong sat upright in a chair, his small hands moving rapidly across the keyboard and mouse. On the computer screen, a detailed mechanical assembly diagram was being filled in bit by bit.

The horizontally movable base engages with a gear drive and is controlled by a servo motor, further enhanced by limit switches for safety.

"This is!"

Lin Weiliang opened his eyes wide.

As a military research fellow, he could tell at a glance that it was a standard mechanical design assembly drawing.

Moreover, from the overall design of the drawings, the different parts are clearly classified, the dimensional parameters are well marked, and even some hidden corners have been enlarged and detailed.

but……

Is this something a second-grade student could draw?

Lin Weiliang couldn't help but take a breath. The fatigue from working overtime all afternoon was replaced by a complex emotion at this moment.

There was shock, bewilderment, disbelief, and a hint of anticipation that I myself didn't even realize...

"Xia Li..."

Lin Weiliang left the study and came to the kitchen doorway, looking at Zhang Xiali who was wiping the stove.

"What's wrong?" Zhang Xiali turned around.

"Come here for a moment." Lin Weiliang waved his hand.

"Why can't you just say what's on your mind? Can't you see I'm busy?"

Zhang Xiali responded, but still put down the rag, dried her hands, and came out.

"Our Lin family..."

Lin Weiliang waited until his wife came out, then lowered his voice and pointed towards the study: "It seems a genius has emerged!"

"So that's what you meant..."

Zhang Xiali was slightly taken aback, but then smiled as if she had expected it, saying, "Xiao Dong can't even do calculus. What kind of genius is that?"