A Hospital in Another World?

Garrett started the experiment with a grunt.

He set up the experimental station, arranged the light source, placed a prism, and positioned a white board on the other side of the prism—a classic dispersion experiment. Then, on both sides outside the spectrum, he placed a thermometer and squatted down to scratch his chin:

How to prove ultraviolet light?

The proof of infrared light is simple; beyond the red light area, the thermometer heats up significantly, thus proving the existence of infrared. But what about ultraviolet light? The thermometer in the ultraviolet light area doesn’t heat up...

Silver bromide seems sensitive to ultraviolet light, it can be proved using photosensitive silver bromide film... but where to find silver bromide? Has bromine been refined in this world?

"Oro! Oro!" Garrett called out. The Tower Spirit MOSS transmitted his voice layer by layer, and soon, Aurora came running up:

"Garrett, what’s up?"

"What’s the recent progress in the council on elemental substances?" Garrett asked in a burst, "Have you found a reddish-brown element with a foul smell?"

"I don’t think I’ve heard of it..." Aurora paused, searching her memory, and shook her head doubtfully. Seeing Garrett’s disappointed look, she immediately raised her hand:

Aurora ran off clattering. Garrett sighed helplessly:

Assigning a Level 6 mage to do such tasks seems a bit wasteful? Perhaps it’s better to recruit more apprentices... At least tasks like flipping through journals, searching papers, and finding data in the council’s database can be delegated to apprentices...

Sigh as he might, the ultraviolet light still needed to be proved. Garrett, hands behind his back, bent over and turned a few circles on the ground, then began to pull at his hair:

How to prove it? The sterilizing effect of ultraviolet light? This he was good at, but to make his teacher cultivate bacteria and verify it under a microscope, he feared the Lord of Thunder would kill him;

Simply measure the wavelength of ultraviolet light? But how to measure the wavelength of light? He’s a medical student, not into physics!

Or find another substance sensitive to ultraviolet light, even an animal would do... Right, undead creatures! Undead creatures!

It’s said that undead creatures, like vampires, are vulnerable to sunlight mainly because they are easily harmed by the ultraviolet light in the sunlight! If he could prove that undead creatures are sensitive to light outside the violet section of the spectrum split by the prism, that would prove the existence of ultraviolet light!

Emmm...

Garrett dashed down. He rushed to the laboratory next to the negative energy room on the second basement floor of the Mage Tower, and naturally extended his palm to Mage Andrew Lynn: Ｒ𝐚ＮȱᛒĘṡ

"Brother Lynn! Do you have any weak undead creatures here, especially weak ones that would fall over just from sunlight, for me to use in an experiment?"

Andrew Lynn raised his eyebrows in surprise.

Moments later, Garrett left with the tower’s newly acquired necromancer, Student Leon Carlos, and a bag of processed bones and finger bones, ready to be used as skeleton soldier replacements...

The experiment was a huge success!

After the white light was split by the prism, the bones reacted with the invisible light waves outside the violet light zone!

Garrett was thrilled. Following the same approach as measuring infrared with a thermometer, Carlos laid down a long bone saturated with necromantic energy (it looked like a rib). Then, timing with a stopwatch, Garrett observed the changes at different parts of the bone...

It turned out, the areas exposed to infrared and red light suffered the most damage (Garrett guessed, it’s the same principle as undead creatures fearing fire), and the damage decreased towards the back.

Then, in the ultraviolet light zone, the damage to the skeleton’s rib suddenly spiked!

This evidence was enough to prove the presence of high-energy rays in the ultraviolet zone!

Not bad, not bad, not bad, fantastic!

Garrett clenched his fist and began to write fervently. Experimental design, experimental equipment, experimental procedures, experimental results... He wrote a lot, straightened up to stretch, and suddenly Seraina popped up out of nowhere:

"Garrett, what are you writing?... Proving that there’s light beyond the seven colors split by the prism?"

Her pale fingers flickered in front of the prism, touching the infrared zone and the ultraviolet zone. Garrett rubbed his shoulder backhand:

"Yeah, it’s troublesome. Especially ultraviolet light, there’s no corresponding reagent..."

"What’s there to prove? Can’t you see it?!"

"???" It’s invisible light! Infrared, ultraviolet, they’re all invisible light!

"I can see

it!" Seraina insisted. She hesitated briefly:

"Um... I can’t exactly say ’see’ for the red side, but I can feel it; for the purple side, it’s very clear, this wide—a strip of purple light! Here!"

She spread her index finger and thumb over the skeleton soldier’s rib, measuring about a span’s width. After looking at it, she withdrew her index finger and stretched out her middle finger to slightly increase the width.

Garrett: ...

Got careless.

Visible light, it means light that human eyes can see; in this world, there are many animals that can see infrared and ultraviolet light. As for communicating with animals... This is a world with magic!

And indeed, there’s magic that allows one to directly see infrared!

Garrett raised his hand and cast [Dark Vision]. Sure enough, in the infrared area, he saw the same faint, yet undeniable image as the last time he checked the lab for leaks!

Garrett continued to record: "The experiment proves that [Dark Vision] allows one to see images in this area... Hence, the principle of [Dark Vision] is to enable human eyes to see infrared light..."

Then, Garrett inhaled and exhaled, summoning the spirit snake totem. Good, snakes can see ultraviolet light, and through the eyes of the summoned creature, magicians can also see in the ultraviolet area, although the view is quite strange. With this, the evidence was plentiful, enough to report to his teacher!

Garrett wrote seven or eight pages, and the next morning, he tucked the paper under his arm and went to the Tower of Heaven to seek an audience. The Lord of Thunder read through the paper at a glance, his face expressionless and inscrutable. The boy’s speed in experimenting and writing was indeed fast, and his work had substance, but...

"The frequency?"

"What?"

"The frequencies of these two types of light? —Didn’t you say yesterday that the frequency of infrared is lower than red light, and ultraviolet is higher than violet light? The frequencies?"

"…I don’t know how to measure them…"

The Lord of Thunder inhaled, exhaled, inhaled again, and exhaled again. His finger flicked, and a walnut wood bookcase beside him automatically opened its doors, and two thick stacks of books, journals, and papers flew out, one to the left and one to the right, landing on the table in front of Garrett.

"Snap," "snap," two sounds startled Garrett into jumping twice. He was very doubtful; if he hadn’t dodged quickly, these things would have hit him on the head...

"Take a look." The Lord of Thunder nodded slightly. Garrett carefully picked up a book on the left, glanced at the cover:

"Discourse on Light"

Such a grand title... He flipped a page, then another, and soon started to feel dizzy:

"…Every element on the wavefront can be considered as a secondary disturbance center that produces spherical subwaves, and the position of the wavefront at any time in the future is the envelope of these subwaves…"

Garrett silently put it down, then looked at the next paper. Good, this title was a bit smaller, "A Study on the Diffraction of Light":

"The vibration of a point in front of the wavefront is the superposition of subwaves emitted by elements on the wavefront at that point…"

Confirmed by the eyes, it’s the text I completely don’t understand...

Garrett calmed down and looked at the third, the fourth papers. After flipping through a thick stack of papers, he confirmed only one thing:

In the magical world, a large group of magicians believe that light is a wave.

OK, so the other side supports the particle theory? Garrett leaned over to the other side and flipped, flipped, flipped, flipped, and sure enough, in four or five consecutive papers, he saw the familiar "ether".

Very good, very good, the particle theory and wave theory, as expected, also started fighting here!

Garrett put down the paper. He took a deep breath, stared directly at the Lord of Thunder, and boldly said:

"I don’t want to study this."

"Hmm?"

"My interest is not here." The wave theory, the particle theory, wrestling and squabbling for three hundred years until the development of wave-particle duality—that’s the end.

The problem is, you haven’t even measured all the elements, protons, neutrons, and electrons haven’t been observed, and the photoelectric effect is even less likely to be discovered, so why bother with wave-particle duality?

The big pit of theoretical physics, I don’t want to jump!

"If you don’t study it, the honors that come after will not belong to you," the Lord of Thunder said solemnly. Such a pity, discovering infrared and ultraviolet light isn’t much, but if he could analyze their properties, this paper would definitely make it to [Arcane

]!

He silently regretted it, but Garrett shook his head so fast it almost flew off. The Lord of Thunder didn’t force him, and immediately offered an alternative:

"Then, I’ll find someone to complete this part, as a co-first author, okay?"

Fortunately, he had already thought of this, even had three candidates circled in his mind. Although sharing the honor was a bit of a pity, measuring the wavelength of light is not an easy task.@@novelbin@@

Magic strength, laboratories, experimental equipment, all conditions must be met, at least a high-level mage could do it.

Considering the strength comparison between both parties, the position of co-first author had to be given.

Fortunately, young Garrett wasn’t that focused on research honors...

However, Garrett hesitated and didn’t utter a word. The Lord of Thunder slightly narrowed his eyes:

"What?"

"How long will it take to measure this... I’m waiting to publish the paper, good to recruit apprentices!"

"…Get out!"

Garrett turned and ran.

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