After more than a week, Murphy completed the modeling of the wand core antenna array and conveniently created the wand body model as well. Assigning this task to the two youngsters was meant to familiarize them with mathematical tools; he hadn't truly expected them to produce a highly refined model.
However, the wand core antenna array model had over a hundred parameters, and if detailed, it could even have tens of thousands of parameters. Optimizing the model would require a large amount of tedious and repetitive calculations.
He needed a large computer for this task.
Computers simply couldn't operate in a magic-rich environment like Hogwarts, so Murphy returned to the Magic Research Institute.
"The supercomputing project at the institute isn't complete yet, but as far as I know, the Umbrella Corporation currently has over forty thousand networked computers, with more than half of their computing power idle. We can use them for calculations," said Bryce Mason, the head of the supercomputing center at the institute.
"Distributed computing?"
"Yes."
"That works," Murphy thought for a moment. "Get a few people who are familiar with genetic algorithms; this model is suitable for iteration using genetic algorithms. Keep me updated with any results."
"Alright, but how should I deliver the results to you?"
Murphy was about to say he left two ravens at the institute but then realized that for a task of this complexity, he inevitably needed to maintain continuous communication with the institute.
While he could receive signals through the ravens' senses, the institute could only get his feedback through the ravens' messages. This method was fine for simple commands, but for formulas or terms, expecting a raven to communicate clearly was too much.
Yet, he couldn't use a phone in Hogwarts...
Murphy thought for a moment and then took out a fairy coin.
This coin could transmit sound, but it had a distance limit, usually a couple hundred meters at most.
The communication between him and the ravens had no distance limit, but the content transmission was limited.
Could he combine these two methods? If the fairy coin were used like a walkie-talkie, with the raven acting as a super long-distance satellite line, perhaps even a quantum communication, maybe he could relay the coin's signal through the raven? It seemed feasible.
He summoned a raven, placed the coin beside it, and channeled his magical power through the raven to the coin.
Then he took out a second coin and tapped it; the coin beside the raven immediately echoed the tapping sound.
Effective!
In this setup, Murphy and the raven were like two signal towers, with each coin connected to them, forming a channel of communication.
He'd have to further study the specific workings of the coin later, but for now, it was usable.
Murphy handed the coin to Bryce Mason. "Use this to contact me."
He wondered if this was like a magical version of a video call, albeit one-way.
...
Before returning to school, Murphy asked the fairy Locke for the method to make fairy coins.
In terms of forging, fairy coins were similar to regular Galleons, distinguished only slightly in design for easy identification.
Their ability to conduct long-distance communication came from a ritual known as "Greedy Whisper."
It could link several or even hundreds of coins, allowing them to transmit vibrations and sound between them. This way, even if a coin were stolen, one could hear the thief, and when piled together, any disturbance would cause a sharp, terrifying scream, forming an alarm.
This was an ancient magic ritual developed by fairies to protect their treasures.
The ritual was somewhat complex. The coins to be treated had to be soaked in a potion called "Thief's Blood," then piled in a fairy circle composed of several concentric circles and two quadrilaterals, followed by a long incantation, and finally left to rest for half a day. After that, the coins would become fairy coins.
Fortunately, the "Thief's Blood" potion was simple to prepare, and its ingredients were cheap. The biggest challenge in making fairy coins was that the ritual only worked on gold – not something everyone could afford.
But thankfully, Murphy was now the wealthiest wizard in Britain.
...
On the last Friday of October, Murphy shared the method of making fairy coins with all the students in the practical class, rewarding the three best-performing groups of the past two months with coins equal to their group numbers.
"These Galleons can be used to make fairy coins, facilitating communication within your group on campus."
His plan to "connect all the common rooms of each house" wasn't feasible yet, so this served as an alternative.
The three groups – Hero, Qiuzhang, and Dean – were thrilled. The coins allowed long-distance real-time communication, and aside from practicality, they were simply awesome. Just imagine, pulling out a fairy coin in public and saying, "Hey, are we eating at the Ravenclaw or Gryffindor table tonight?"
When everyone looks in surprise and sees it's a fairy coin – a rare magical item with only a few in the entire school – their social status would instantly skyrocket.
And then, with everyone's envious looks, they might casually complain, "Ah, this lousy coin, it gets a bad signal after just a few hundred meters."
The epitome of opulence.
"Professor, I heard you have a method to measure magical power, is that right?" Dean's group approached him during a break. "Can we borrow it? The broomstick branches require very precise magical control, and we just can't find the right approach."
Several other groups had similar requests.
Qiuzhang's group: "Professor, we want to know how to control the distribution of magic during transfiguration."
Hero's group: "If we use your magic measurement device, maybe we can detect if ghosts have any magical power."
Even Malfoy's group came forward: "Pureblood heritage should have a higher concentration of magic in their blood compared to Muggle-born wizards. With that device, we might be able to prove it..."
Murphy was pleased. After two months of training, they at least had the mindset of "verifying theories through practice."
He generously provided each group with ten magic detectors to support their projects.
This also reminded Murphy of something important.
Observing magic was undoubtedly crucial for any magical research. Many spells remained elusive, perhaps largely because wizards lacked the means to directly observe magic.
If wizards could "see" magic, they could more easily guide it, causing specific changes or effects.
This was one of the ways in the spellcraft pathway to "enhance a wizard's perceptual abilities."
Although accurate, magic detectors were not quite intuitive.
Was there a way for wizards to directly observe various types of magic, just as they saw different colors?
The principle of the magic detector was based on the luminescent effect of magic in gems... So, what about gemstone glasses?
Probably not feasible; the external magic radiation wasn't strong enough to significantly change the color of the gems, or else magic detectors wouldn't be needed.
If approached visually... adding more types of cone cells? But current research on magical creatures was still too limited, and no creatures with similar abilities had been discovered for reference. Even if such a creature existed, without solving the controllability issue of multiple Animagi transformations, it wouldn't be easy to simply transfer this ability.
Or, perhaps, magic antennae?
The flow and changes of magic radiate magical signals, which could be received by magical antennae like wands. If a super high-resolution, ultra-shortwave reception array were created, it might be possible to receive high-frequency magical signals like the visual cells receiving light.
Using different gems to distinguish the nature of magic, it would be akin to having a 6-color magic palette, theoretically producing very high-quality images.
However, to achieve a resolution similar to human eyes, these 'magic photoreceptors' would need to be micrometer-scale, which might require chip manufacturing technology to create.
For now, as the wand design also awaited computational results, it seemed a good time to delve into this research.
This would go hand-in-hand with the topic of "how to use fusion potions to guide the wand core into specific shapes."
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