Viewing profile — aap_

Never heard this, but very accurate. thanks :)

Ah, you're right. "30 verses" made it sound like more than what you can see on that image. Luckily most of the papyrus is very legible! even if fragmented...

Probably! but how would i know?

So is there any way to actually read it? Or do i have to buy an obscure french book? can you even buy the book? Academic publishing/gatekeeping is such a joke.

If you're rotating around your fingers you're doing something else, not what i mean. I'm just talking palm up, rotating in the vertical axis, 720°. like the cup dance.

The whole assumption of the video is that one cannot understand spinors. He does a good job with the mathematics but i disagree with the premise.

Sometimes the simplest things are hidden in plain sight :) Most people point with their fingers/hands. Unlike rayman, who has vector-like hands, biological beings have them connect…

But with a twist in the arm. After another 360 the arm is back too.

No, around a single axis. if you hold your hand palm up you can rotate in the (vertical) z axis around 360° and get a twist in the arm. another 360° undoes the twist, that's 720° a…

Very cool! The suggestion to consider how the standard model came to be rather than starting with the result sounds like an excellent idea. But of course i have to disagree with th…

I'd be so much more interested in ipv6 if ISPs would just hand out a stable prefix. as it is ipv6 makes very little sense to me

Because the low level details tend to change over time and then it's too late and you're committed to supporting something that doesn't make sense anymore. like branch delay slots …

Interesting that you're saying the BSDs use something sysvinit-based. i never saw any runlevel idea there, which i thought was the primary marker of sysvinit? arch used to have an …

I was using FreeBSD (after NetBSD) as my primary system for a while in school (no, i can't watch this youtube video, flash doesn't run on FreeBSD). i still use it for my home serve…

If you only care about rotations in 3d, quaternions do everything you need :) with all the added benefits of having a division algebra to play with (after all the cross product is …

He's still computing cross(z, d) and dot(z, d) separately. that looks like a code smell to me. with quaternions this would be easier: just calculate the quotient between z and d an…

This is looking really beautiful! For a long time I've wanted to have a nice edition of the elements in the original greek. There are some pdfs around but they look rather uninspir…

Love the Whirlwind! i think of it as the original microcontroller, except not very micro of course. The 2kw address space is a bit small for bigger programs unfortunately, but it's…

> This post gets some of the details wrong "some" is an understatement.

This is low-effort fantasy history. It may be directionally correct, but why bother when you don't care about the details? From analyzing the UNIX manuals and other old files we ge…

In my experience, yes: always happens. So far i have not found a way to mount multiple disks without getting these inode errors. And this is just v4, the nsys kernel doesn't even w…

Java feels like the COBOL of our times, and the JVM like the IBM 360 architecture.

That's the puzzling thing. i find it hard to believe they sent out an operating system that can't deal with multiple file systems. yet i can't get them to work correctly. The pre-v…

Hi, this is me. I'm still hacking on it but ran into some hard to understand kernel bugs. once i mount more than the root filesystem (say /usr/man) there are issues with inode allo…

I find it strange that nobody has ever recreated the classic windows desktop faithfully, except for reactos i suppose. But on Linux i think there are quite a few people around who …