The Diary of a Middle-Aged Sage's Carefree Life in Another World: Volume 6 [Parts 1 to 8] by Kotobuki Yasukiyo

Author:Kotobuki Yasukiyo
Language: eng
Format: epub
Tags: Light Novel, partial, magic, fantasy, comedy, adventure, isekai, reincarnation, nobility, adult protagonist, OP protagonist, gamer protagonist
Publisher: J-Novel Club (generated)

Chapter 6: The Old Guy Racks His Brains Over the Kids’ Equipment

The washing machine was an indispensable item for the modern household.

It didn’t just wash your clothes. It was extra convenient for farmers, who could use it to clean their vegetables as well.

Actually making one, however, was no easy task.

Zelos was trying to do just that, and he had to consider how many times the barrel had to spin, as well as how much mana was required. There were all sorts of other things that were a pain to design too, like how long a cycle would last—and even when he solved one of those issues, another new one would pop up somewhere else.

It wasn’t as simple as just making the thing spin. He had to maintain a spin that ensured any dirt would come off, with a functional timer that kept the machine running for a certain duration, and he had to calculate how much mana all of that would consume.

If he wanted it to dry things as well, a cycle would probably take three hours at least. And then came the problem of where to even store enough mana to keep the machine running for that long.

Supply the machine with too much mana, and it would explode, with the force from the spinning and vibration causing the exterior to break apart. It was a simple design, but that very simplicity made it easy for stress to be placed on a particular component. Plus, if it was too heavy, it’d be impossible to carry, so Zelos had worked to make it lightweight...which had then lowered its durability again.

“Mmm... This is tough. Mana keeps flowing back the wrong way; where’s that coming from? I’m sure I changed the magic stone to a magic gem, so that shouldn’t be happening...”

Several days had passed since the curry dinner, and Zelos was still out in his garden fighting with his washing machine.

He’d tweaked it time and time again, and the design really should’ve been fine at this point. But for some reason, the mana kept exceeding a certain threshold, flowing back the wrong way, and causing the mana-powered motor to increase the spin rate too high.

He’d even added a control component to the formula, but it still kept going out of control.

The truth was, this was a mana runaway phenomenon caused by Zelos’s own excessive level of mana—unbeknownst to him, it had transformed the magic gem, causing it to absorb more than the intended amount of mana. He’d charged the gem without much thought, but since it had ended up holding far more mana than he’d expected, it caused a huge, instantaneous oversupply whenever he tried to run the washing machine.

In other words, Zelos had to either intentionally keep his mana supply to the very minimum, or get someone else to supply the gem with mana. But while it was a simple issue, he’d failed to notice it, leaving him racking his brains over and over.

He really should’ve realized by now just how unusually large his own mana pool was.

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