May 05, 2014

Dog Days -- speculation

What happened to all their parents? Doesn't it seem strange that all three kingdoms are currently ruled by teenage (or preteen) princesses? Where did the adults all go?

Standing outside, maybe it's just a case of Everything is Better with Princesses. But in story terms, is it inexplicable or is it a plot point?

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Posted by: Steven Den Beste in Engineer's Disease at 09:04 AM | Comments (6) | Add Comment
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March 26, 2014

To aru kagaku no Refrigerator

I've been watching Railgun S all the way through, and I just spotted a huge logic fail. Below the fold, of course.

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Posted by: Steven Den Beste in Engineer's Disease at 08:41 AM | Comments (6) | Add Comment
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January 15, 2014

Mouretsu Refrigerator

It's taken a long time and many rewatches of Mouretsu Pirates for me to start spotting logic errors in the show. One in particular, which is a spoiler, below the fold.

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Posted by: Steven Den Beste in Engineer's Disease at 10:20 AM | Comments (3) | Add Comment
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January 09, 2014

How an engineer looks at the world

When I look at this, the first thing that springs to mind is "mosquitos".

Venice is famous for its canals, but there's a downside to it all. Venice is built in a lagoon, and the water doesn't flush. Another thing Venice is notorious for (besides flooding) is insect plagues. Insects breed in the lagoon, and sometimes they swarm. It is so dense that it shrouds the city in darkness.

I've visited Amsterdam, which also is famous for canals. However, the Dutch, being superlative civil engineers, have their situation under control. The entire canal system is controlled by a set of gates, and the city engineers flush the water in the canals six times per week with water from the Amstel river. As a result, the water in the canals doesn't reek and they don't get insect plagues.

And the owners of this merry little chateau are going to have to do something to keep the water in their little lake from getting putrid and loaded with insect larva. I wonder how they do it?

50 gallons of Clorox every Sunday?

Or a different possibility: 5,000 Koi?

Posted by: Steven Den Beste in Engineer's Disease at 10:34 PM | Comments (3) | Add Comment
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December 02, 2013

Vividred -- magical girl

If we're really going to get nerdy, there's an idea I've had for a long time now: Akane is truly a magical girl.

Vividred Operation is an exercise in Clarke's Law, "Any sufficiently advanced technology is indistinguishable from magic." Grampa has gone way beyond normal science and technology in designing the keys, but it is nonetheless technology.

More, and loads of spoilers, below the fold.

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Posted by: Steven Den Beste in Engineer's Disease at 10:01 AM | Comments (5) | Add Comment
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November 30, 2013

Mouretsu Pirates -- thrusters

Our current rocket technology is, needless to say, quite primitive. Because of inherent problems with using a reaction drive, space launch is very expensive.

But it doesn't need to be. A reaction drive (that's any drive that is based on momentum change caused by high speed ejection of propellant) can be extremely efficient if the exhaust velocity is high enough. Our current problem is that the exhaust velocity of our rockets isn't all that high, so propellant efficiency is terrible.

In Mouretsu Pirates they have direct conversion of matter to energy, which is able to provide the kind of power that current rocket engineers could only dream of. And they also have inertia control and gravity control.

I was trying to think about how their thrusters work, and it suddenly occurred to me that it might be a form of gravity control. If the propellant is subjected to several hundred G's, and achieves an exhaust velocity of one or two percent of C, the propellant efficiency would be very high, and you've solved the major problem.

They have single-stage-to-orbit shuttles, and if they were powered the way I think they are, then it becomes very practical to build large structures in orbit, like the docking station orbiting Uminoakehoshi. Combined with efficient FTL drives (which they also have) then bulk interstellar trade becomes practical.

We can only dream of such technology, but it doesn't cost anything to dream.

UPDATE: Of course, they couldn't operate that way all the time. If they were firing 0.02*C while exiting from a space dock, they'd punch a hole in the side of the station with their exhaust.

Posted by: Steven Den Beste in Engineer's Disease at 09:55 AM | Comments (12) | Add Comment
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November 16, 2013

Engineer's Disease: Mouretsu Pirates

I love Mouretsu Pirates. It's one of my favorite shows ever. But there's one huge thing in it that is a critical plot point, which I have never been able to fit in or understand. It's a spoiler, so it's below the fold.

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Posted by: Steven Den Beste in Engineer's Disease at 04:07 PM | Comments (9) | Add Comment
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August 03, 2013

Railgun S -- eps 8-10

I admit I was curious to watch the battle between Mikoto and ITEM. And I have a few thoughts. Spoilers, below the fold.

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August 01, 2013

Stella Jogakuin C3-bu -- WMG

WMG: According to TVTropes,

This is a "Wild Mass Guess" entry, where we pull out all the sanity stops on theorizing.

Here at Chizumatic we call it Engineer's Disease. Ready for big spoilers below the fold?

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July 19, 2013

Fairy Tail manga -- catching up

The Fairy Tail anime didn't stop at a satisfactory point; it just stopped, right in the middle of a story arc. Still, I commend them for it. The problem was that they had mostly caught up with the manga, and to proceed they'd have had to start writing their own story. And my experience in the past with shows that did that has generally been poor.

So the anime production team this time decided to take a break, after 175 episodes, and wait for the manga to get ahead a bit more. (Reportedly restarting again, soon.)

But I heard that the most recent story arc had finally finished and I was curious to know how it came out. So I went online to see.

I thought there was a bit of a ruckus a couple of years back where they were going to come down like a ton of bricks on web sites which carried manga chapters. Did I imagine that? Because MangaHere had the full run of Fairy Tail and I didn't run into any problems at all reading it. And MangaReader has it all, too.

The latest chapter is 344, which is at the beginning of a new arc. So I got comments, spoilers, below the fold.

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Posted by: Steven Den Beste in Engineer's Disease at 06:14 PM | Comments (5) | Add Comment
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