[HN Gopher] Visually symmetric words
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Visually symmetric words
Author : d4a
Score : 78 points
Date : 2022-12-27 15:02 UTC (7 hours ago)
(HTM) web link (www.johndcook.com)
(TXT) w3m dump (www.johndcook.com)
| larsrc wrote:
| If 'm' and 'u' are symmetric, surely 'n' is as well?
| rex_lupi wrote:
| Probably the most low-effort blog post I've read in a while
| Waterluvian wrote:
| Funny enough, I came to the comments section to say how much I
| enjoy the occasional short post that touches on one thing and
| moves on.
|
| I don't need my life to be chock full of deep dives into ideas.
| MontyCarloHall wrote:
| Usually John Cook's blog posts are extremely high quality, so
| I'll give him a pass just this once.
| pbnjay wrote:
| Yeah... I was really interested in thinking about how to code a
| solution and then the post ended.
| diceduckmonk wrote:
| It's not that deep. Same algorithm as for palindromes, but
| with different logical conditions on "equality" /
| continuation
| omoikane wrote:
| Seems like there isn't much material to expand upon "()()"
| versus "())(".
|
| I prefer this other article about palindromes:
|
| Was It A Cat I Saw? -
| https://news.ycombinator.com/item?id=33285198
| cleansingfire wrote:
| I had to work harder than expected to get this. I interpret
| the cartoon as distinguishing between meaning and form. Until
| I read it aloud, I couldn't stop interpreting the strings as
|
| open close open close
|
| in both directions.
| downboots wrote:
| Perhaps https://youtu.be/qTBAW-Eh0tM at cost of breaking
| symmetry
| DominoTree wrote:
| UwU
| sedev wrote:
| There's also the niche use case of vertically arranged English
| letters -- you see this once in a while on signage, but my
| favorite example is from _Street Fighter 3,_ where the character
| DeeJay has pants with "MAXIMUM" written down the leg, which means
| that you can flip the sprite (i.e. to have the character face
| left or right) and the word stays intact.
| flobosg wrote:
| > Street Fighter 3
|
| I think it's Street Fighter Alpha 3, and it happens in a
| previous game as well: Super Street Fighter II - see
| https://static.wikia.nocookie.net/streetfighter/images/8/88/...
| and
| https://static.wikia.nocookie.net/streetfighter/images/d/dc/...
| hcs wrote:
| I once made a little puzzle that involves this idea:
| https://hcs64.itch.io/fitting-words
| lucasmerlin wrote:
| That was really fun!
| zuminator wrote:
| I don't see how you can allow lowercase "m" and "u" as
| symmetrical without also by the same principles including "n." In
| which case there are other words like "nun" and "non." Also "MAM"
| and "MOM" are symmetrical and are words (at least, Scrabble
| words. He only includes "MAAM" which oddly enough is not a
| Scrabble word.)
|
| More along those lines here: http://www.fun-with-
| words.com/word_records.html
| [deleted]
| squaredot wrote:
| I didn't expect to be surprised by this! After thinking about it,
| it reminds me that game about reading some color names as fast as
| possible, where the names are painted with another color.
| _448 wrote:
| The name of one of the Indian languages "malayalam" is a
| palindrome, though not visually symmetric.
| jagged-chisel wrote:
| According to the rules in TFA, this is indeed "visually
| symmetrical"
|
| Edit: in uppercase only, I suppose
| BugsJustFindMe wrote:
| > _According to the rules in TFA, this is indeed "visually
| symmetrical"_
|
| Only if you ignore case and mix uppercase A and lowercase l.
|
| > _Edit: in uppercase only, I suppose_
|
| Not even. Uppercase L is not a symmetric character.
| EGreg wrote:
| poq bod dob qop
|
| How about rotational symmetry? qp db
| pq bd
| dcminter wrote:
| Famously the Sun Microsystems logo had rotational symmetry!
| (While reading "sun")
| arnarbi wrote:
| "pod" is rotationally symmetric and in the dictionary.
| layer8 wrote:
| Or vertical: p q y b d l ;)
| [deleted]
| 2devnull wrote:
| wow
| _448 wrote:
| The HN crowd does not have sense of humour:)
| mrexroad wrote:
| non
| residualmind wrote:
| I always liked that "yeah" is point-symmetric if you pick the
| font right.
| croes wrote:
| Isn't also the lowercase l and mirror of the upper case I?
| arketyp wrote:
| Treating 'u' and 'n' as symmetric is a bit cheating. Luckily,
| they are also rotationally symmetric words, like 'snus' and
| 'pod'.
| 082349872349872 wrote:
| cf https://en.wikipedia.org/wiki/Ambigram
| tobr wrote:
| I always appreciated the rotational symmetry of "up"/"dn" (as
| seen on some keyboards in the context of Page up and Page
| down).
| green_on_black wrote:
| Holy shit. T I L.
| croes wrote:
| Lower case u not so much because in some fonts it's just a
| smaller upper case U.
|
| But the y is as symmetrical as j or g.
| Fnoord wrote:
| Yet the uppercase G is symmetric to 6. Case in point: 604.
| sokoloff wrote:
| Interesting choice of 'snus' as the example, rather than 'suns'
| shanebellone wrote:
| "racecar" is a palindrome that you cannot unsee.
| diceduckmonk wrote:
| I've seen it many times but had to reverify when seeing your
| comment.
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(page generated 2022-12-27 23:00 UTC)