Is it amusing or sad that it took so many years for me to notice this peculiar, and quite possibly intentional thing about #braille? I only started figuring it out yesterday, rolling the new braille d20 around in my hands.
So, on this d20, numbers from 1 to 10 are represented with letters from a through j, and numbers from 11 to 20 with k through t.
K is an a but with the dot #3 on top. L is b but with dot #3. M is c but with dot #3. N-d, o-e, p-f, q-g, r-h, s-i, t-j.
The pattern is constant. The second 10 letters in the English braille alphabet are the same as the first 10, but with the dot #3 added on top. All of them!


@Mayana This is mentioned in the wikipedia page about the derivation:

It is intriguing.

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@ColinTheMathmo Well damn, serves me right for not looking such a basic thing up! This makes a whole lot of sense now. A shame that, beyond the very basics, teachers never made much of an effort to teach us the history of braille.
Thank you for sharing ... even or especially since it is something that I really should've checked on my own. 😂

@Mayana These are the sorts of things I've played with a lot, ad if it's comparatively new then it's not the sort of thing you think to look up.

No harm, no foul.

It is interesting, and there could be a lot more structure, but in truth, if you learn Braille or Morse or similar then you have to program your brain for them ... decoding them via patterns only works in the very short term, and never to fluency.

@ColinTheMathmo True. But it if you already know braille otherwise, this is a neat thing to also keep in mind. Makes it much easier to remember a letters position in the alphabet if you, like me, are bad at that otherwise.


I wonder if anyone ever made an electronic braille reader that articulates its surface to represent text.

Now THAT would be a way to browse gemini lol


@Alonealastalovedalongthe I am not quite sure if I understand what you mean, but yes, braille displays do exist. And, since are generally paired up with computers, you could of course read Gemini on them.


Yes those are super cool! They are all single line tho... but I guess maybe that is what you want?

@Alonealastalovedalongthe Well, it is and it isn't. Reading on paper is far more enjoyable exactly because of this, because of the feeling of multiple lines of text beneath your hands. It also gives a far better idea of text shape in regards to paragraphs and such.
But multi-line braille displays wouldn't be easy to combine with a keyboard in a way that was comfortable, and they'd be much less portable.
When using a braille display with a computer, you need it to not be too big so that you'll still be able to reach over it to the keyboard, and when using it alone as a note-taker (with braille input), you want it to be as portable as possible, so it can do its job of being a notepad well. so there likely wouldn't be enough interest in a multi-line braille display to justify producing it. These things are expensive.


Yah I was thinking a sort of braille tablet but yah I can see that being very expensive


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