Chapter 2 Explains Night Vision Scientifically



Gao Ang did not stream for the rest of the time.

It was almost midnight. He turned off the computer and prepared to go to sleep, hoping that when he woke up, everything would be back to normal.

As a normal human being, Gao Feng thoroughly enjoys the temptation of delicious food.

The stimulation of his taste buds, the pleasure of chewing, and the satisfaction of filling his stomach are habits he has developed over the past twenty years.

Although he can still enjoy these things now, he is afraid that sooner or later he will turn into a monster that neither eats nor drinks.

If he stops eating and drinking, it means he will lose another kind of pleasure: the pleasure of squatting in the toilet.

Sitting on the toilet, lighting a cigarette, scrolling through the phone screen, reading news and jokes, and occasionally letting out pig-like squeals...

Isn't this another kind of life?

Lying in bed, Gao Ang suddenly realized another problem: he didn't turn on the air conditioner, yet he wasn't hot at all!

With a "whoosh," he sat bolt upright in bed.

I touched my body; it was neither hot nor cold, and there was no icy feeling!

In summer, the human body naturally undergoes a series of adjustments or adaptations due to environmental factors.

Most people's body surface temperature feels slightly cool to the touch.

Using the word 'icy' might not be the most appropriate.

From another angle, the skin can feel the warmth from the palm.

However, neither of these two feelings of exhilaration can be felt.

If it weren't for the friction between his palm and skin, he wouldn't even feel the foreign object on his thigh.

At this moment, Gao Ang panicked a little: Could it be that he has contracted polio?

It quickly stretched its arms and legs, twisted its neck and glared, and opened its mouth as wide as possible...

"Phew, thank goodness, I can still move around."

Gao Yang breathed a slight sigh of relief upon realizing that his body could still function normally.

He touched his not-so-muscular chest muscles again, but he still couldn't feel that 'cold' sensation. What was even more terrifying was that his heartbeat had slowed down.

He rushed to his desk, took out a thermometer from the drawer, eager to test his body temperature.

After shaking it a few times to reduce the temperature to zero, Gao Ang held it firmly under his armpit before finally letting out a slow sigh of relief.

Wait a few minutes, and after about the right amount of time, you can check your body temperature.

The normal body temperature in an adult's armpit is generally between 36 and 37 degrees Celsius. As long as it is within this range, the body is considered healthy, at least in terms of body temperature.

Just as Gao Feng was lost in thought, he suddenly realized something: he didn't seem to have turned on the light!

Not turning on the lights means the room is completely dark.

Even in a bustling metropolis like Shanghai, even in a mid-to-high-end apartment complex like Vanke Apartments, the interior should be completely dark!

Theoretically speaking, he shouldn't have been able to get out of bed, put on his slippers, open the drawer, and get the thermometer so easily...

"This is... night vision?"

Gao Ang stared wide-eyed, his face filled with disbelief.

Yes, he was certain that the lights were not on!

The scene he saw was no different from what he would see with the lights on.

If there's anything different, it's that the overhead light isn't on...that's all!

He reached out his hand tremblingly, trying to press the light switch by the bedside.

The moment he touched the switch, he recoiled as if he had been electrocuted.

He tucked the thermometer under his armpit, shuffled in his slippers, and went into the bathroom.

He wanted to make sure that his reflection in the mirror did indeed have glowing eyes, radiating a captivating light, like a pair of titanium alloy dog ​​eyes!

With his head down, he stepped over the bathroom threshold, then slowly raised his head to face the mirror with his handsome face.

He didn't open his eyes immediately, afraid that what he saw wouldn't be the beautiful scene he had imagined.

"call!"

After taking a deep breath, Gao Ang slowly opened his titanium alloy dog ​​eyes.

"Thank goodness, thank goodness, things are still relatively normal!"

I still look so handsome in the mirror!

He didn't know where the light came from, but he could clearly see the reflection of every part of himself in the mirror.

It wasn't as bright as under an incandescent light, nor as blurry as in the dark, but he could clearly see the stubble on the corner of his mouth and the few pimples on his face caused by staying up late.

All of this struck Gao Feng as incredible.

His early science education taught him that light is necessary for an image to form on the retina.

Light reflected from an object is controlled by the retina and then focused by a lens filled with a transparent gel-like substance before forming an image on the light-sensitive retina.

After imaging, these light rays are received and converted into signals, which are transmitted to the brain, specifically the visual cortex, via the optic nerve. This is how humans or other animals 'see' things.

Why couldn't I see anything when the lights were off before, but I can now?

This question lingered in Gao Yang's mind, refusing to leave.

The bathroom lights were off, and the bedroom lights were off as well.

He was on the seventh floor. Although the building faced south, there was no moonlight tonight, and the streetlights couldn't shine in either...

Therefore, a normal human being, or rather, a pair of normal human eyes, should not be able to see the content.

There's only one answer: there's something wrong with his eyes.

Or rather, his eyes have mutated!

The reason why humans cannot see content in a dark environment is not because no light is reflected to the retina.

Instead, much of the light is filtered out at the iris.

Here we need to explain a definition: visible light frequency.

Electromagnetic waves emitted by celestial bodies encompass a wide range of frequencies, from radio waves to gamma rays. However, the Earth's atmosphere leaves only two "windows": one is an optical window (or visible light window) with wavelengths between 0.78 and 0.4 μm, and the other is a radio window with wavelengths between 10 m and 1 mm.

Besides emitting visible light, the Sun's electromagnetic radiation in other wavelengths is largely absorbed by the Earth's atmosphere. However, this 'absorption' doesn't mean that all other wavelengths of electromagnetic radiation are absorbed; some wavelengths still escape and remain suspended in the Earth's atmosphere.

However, they cannot "participate" in illumination, so over the long course of evolution, the human eye no longer needed to "set up" photoreceptor cells for them. This explains why the so-called "visible light" that the human eye can perceive is in this wavelength range (780nm~400nm), and not other wavelength ranges.

Of course, all of the above is the result of the long-term evolution of the human eye.

Now, Gao Gao's eyes have mutated for some reason. The iris inside his eyes can absorb electromagnetic radiation of other wavelengths, so he can see at night.

All of this is merely Gao Feng's own analysis; whether it is true or false still requires further verification by him.

It was almost time, so I took out the thermometer from under my armpit and glanced at it: 36.5°C.

A normal body temperature, neither high nor low.

He let out a slow sigh of relief, wiped non-existent beads of sweat from his forehead, and felt a little more at ease.

"If the body temperature is normal, it at least means that the body's internal circulation is still healthy."

As long as his internal circulation is functioning healthily, he no longer worries about 'kicking out' at any moment.

As a young person in the new era with elderly parents to care for and no young children to raise, Gao Ang is very concerned about his life.

What is the purpose of life?

He had thought about this issue himself and debated it with himself.

Ultimately, he could only come to this conclusion: people live simply to live.

Therefore, the prerequisite for everything is to be alive.

Only by living can one realize their value, do what they want to do, and contribute to socialism...

After tossing and turning all night, Gao Ang wasn't sleepy at all; he just felt a tiny bit uncomfortable.

These so-called discomforts can actually be ignored; they are simply a result of comparing them to how one feels during the day.

"So, you mean I prefer it during the day?"

When Gao Ang muttered those words, he felt he could give himself a flick on the forehead.

That's obvious, humans naturally prefer daytime.

He's not an owl, nor a vampire, so why would he like the night...?

Gao Ang turned on the bathroom light, wanting to check if there were any changes in his eyes.

If, like in movies or novels, his pupils turn red, green, or blue, he'll have to find a way to cover it up, like wearing sunglasses.

"Fortunately, they are still black-eyed people from the East."

After carefully examining himself in the mirror for a long time, Gao Ang finally breathed a sigh of relief.

It's not that he's too traditional or conservative, but as a native of the East, the sense of security that his yellow skin and black eyes give him is much more substantial than that of blond hair and blue eyes.

The main reason is that his parents both have yellow skin and black eyes...

After finishing all this, Gao Ang felt somewhat tired, not physically, but mainly due to mental tension.

When an ordinary person suddenly learns that they have an ability that sets them apart from others, they are usually excited at first, but then panic ensues.

Humans are social animals.

When you show differences from other individuals, other people of the same kind will more or less discriminate against you.

This kind of discrimination is directly related to the degree of your difference. If you can overwhelm them, they will only suppress this discrimination in their hearts and show you awe. If your difference is dispensable to them, they will use all sorts of sarcastic words to describe you, or openly be hostile to you.

Gao Ang studied law and also minored in several other subjects such as human social psychology and criminal psychology, giving him a profound understanding of human nature.

This is why he considers himself a conspiracy theorist and a persecution maniac.

This is why he chose the live streaming industry.

Even though his seniors and even several of his professors recommended that he intern at some well-known law firms, he politely declined.

The excuse they used was also very perfunctory: "The world is so big, I want to go see it!"

Lying in bed, Gao Yang calmed himself down and cleared his mind of all the chaotic thoughts.

"sleep!"

Having given himself a mandatory command, Gao Feng slowly drifted off to sleep.

...

The alarm clock at 7:50 a.m. woke Gao Ang from his sleep right on time.

There are no fixed working hours in the live streaming industry; it all comes down to the professionalism of the streamer.

You can sleep until the sun goes down, or you can stream all night.

However, there is one phrase that perfectly describes this industry: hard work pays off.

Gao Ang treats himself like a professional streamer. After the alarm rings, he will take a short nap in bed, about ten minutes, to calm down his morning grumpiness.

Around eight o'clock, I would get out of bed, twist my neck a few times, and stretch my whole body.

After sleeping all night, I felt very stiff, but today I feel a little different.

Due to prolonged sitting, he has always felt that there is something wrong with his spine and intervertebral discs, especially his cervical spine, which will occasionally ache and make a 'crackling' sound when he makes some large movements.

This is why he insists on doing so much exercise every day, including radio calisthenics and eye exercises.

I twisted my neck a few times and it felt great; I rotated my hips a few times and it felt comfortable; I did a backbend...

"Holy crap, how do I get up there?"

Gao Ang never expected that he could actually bend over backwards!

And they went too far down and built an arched bridge.

He panicked a little; how could he stand up?

After thinking for three seconds, he came up with a solution: he moved his feet forward and sat down on the floor.

Sitting on the floor, Gao Yang's mind started to race again.

"Yesterday it was an eye problem, and now it's a physical problem too?"

Although the situation is improving, he is still afraid.

Things are good now, but who knows what will happen in the future?

There's a saying: extreme joy begets sorrow.

There's a saying in the stock market: "When all the good news is out, it's bad news!"

Fearful, Gao took his temperature again, and unsurprisingly, it was still 36.5°.

"You mean your body temperature has become constant? It hasn't changed at all?"

Gao Yang sat on the bed, trembling, his mind a little confused.

"Go to the hospital? We can't go! If they find out we have any mutated components, we'll lose our freedom in no time."

I'd rather die than live without freedom!

"The best thing to do is to find some scientific research equipment and secretly do some scientific analysis to confirm whether there are any other abnormal substances in your body."

But he's a law student and doesn't know anyone in those big labs. Even if he had the equipment, he wouldn't know how to use it, not to mention he can't get his hands on it.

Speaking of this abnormal substance, Gao Feng was certain that he had ingested something unspeakable for some reason.

It is precisely these inexplicable and mysterious substances that have led to my current state.

Well, he's quite satisfied with how it looks so far.

After thinking about it for a long time, Gao Ang still couldn't come up with a reasonable solution.

"Since we can't find out the truth, let's protect ourselves first!"

It was only then that he truly understood the meaning of a popular saying on the internet: Boys must protect themselves when they go out!

A "ding-dong" WeChat message.

Ang Gao took the phone, unlocked the screen with facial recognition, and saw that it was a message from the moderator of the live stream.

"Handsome guy, it's time to start the live stream, you're late!"

Gao Ang then realized that he had been lying in bed in a daze for more than an hour.

"Right away!"

I replied casually and immediately turned on my computer.

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