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Euler Diagrams

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Things Leonhard Euler created ( most of math ( overlapping circle diagrams ) a cricket bowling machine ) Things John Venn created
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Screwtape
151 days ago
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I thought the convention was to name discoveries for the person who discovered them immediately following Euler.
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lamontcg
151 days ago
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Euler only invented half of Math, Cauchy invented the other half of Math.
Lythimus
151 days ago
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Is it funniest when the alt text is funnier than the comic?
alt_text_bot
151 days ago
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Things Leonhard Euler created ( most of math ( overlapping circle diagrams ) a cricket bowling machine ) Things John Venn created

Historical Dates

3 Comments and 11 Shares
Evidence suggests the 1899 transactions occurred as part of a global event centered around a deity associated with the lotus flower.
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Screwtape
256 days ago
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An explanation, for those as puzzled as I was:

Unix-based systems traditionally represent timestamps as "seconds since 1970-01-01". If some program requires a modification timestamp for some file and no accurate value is available, it will commonly use the value 0 as a default. When other systems carefully preserve that value, it leads to files with 1970-01-01 timestamp.

Spreadsheets traditionally represent timestamps as "(fractional) days since 1900-01-01". In the same way, asking for a timestamp when no valid information is available will often get the value 0 as a default. Since businesses run on Excel, there's a lot of transaction records with a 0 timestamp in Excel spreadsheets out there.

One last wrinkle: The first wildly popular spreadsheet, Lotus 1-2-3, had a bug: it assumed that the year 1900 was a leap year, so it assumed 1900-02-29 existed, and so every date timestamp after that point was off by one. When Microsoft created Excel, they carefully reimplemented that bug for compatibility's sake, but if you're a historian looking at the data, you might reasonable assume that spreadsheets stored timestamps as "(fractional) days since 1899-12-31". If you're storing timestamps in some different format, it might not be obvious that those are zero dates - you might assume there's just a lot of transactions processed on that day.
martinbaum
256 days ago
Staggeringly thorough, thank you!
rraszews
254 days ago
I knew the 1970 thing but didn't understand the provenance of the 1899 one; I assumed it had something to do with the Y2K bug (as a colleage of mine put it, "1899 and 1999 were two very different years, but they had one thing in common: the next year would be 1900")
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ghafarkkali
248 days ago
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KooKoo Kids is the best kidswear clothing brand in Pakistan that offers online clothes for girls and boys from 1 to 12 years old. Grab now with up to 60% off. Visit our website https://thekookookids.com
JayM
256 days ago
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Hahaha. Yep.
Atlanta, GA

Logic Gates

3 Comments and 5 Shares
In C, the multiocular O represents the bitwise norxondor gorgonax.
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Screwtape
673 days ago
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"Norxondor" and "Gorgonax" would both be great names for dragons.
jlvanderzwan
673 days ago
Xand Gort, Norg Xort and Andorx Gant being the three heroes that slew them?
Jaryth000
668 days ago
I got half way through the chart and all I could think of was Kingdom hearts villain names...
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alt_text_bot
673 days ago
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In C, the multiocular O represents the bitwise norxondor gorgonax.

Contiguous 41 States

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Linguists, settling some inscrutable grudge, have been steadily sneaking more backdated synonyms for 'sharing borders' into the dictionary. They've added 'contiguous,' 'coterminous,' 'conterminous,' and next year they're adding 'conterguous.'
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Screwtape
914 days ago
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For the non-Americans among us, which states are missing? I think Kentucky is one.
passionsocks
914 days ago
Kentucky (KY) is there. The ones I picked up as missing quickly are North/South Dakota, Pennsylvania, and New Mexico. That leaves three I managed to (not?) miss looking at the map alone. (edit: Kansas, Indiana, Nebraska after a few more minutes)
calumhalpin
914 days ago
New Mexico's the only one I've got so far.
mikedanger
914 days ago
pennsylvania and delaware have been removed (2), maryland and west virginia were moved north to fill the gap. new mexico is removed (1) and wyoming is moved to hide it. kansas, nebraska, and both dakotas are also removed (4) which takes you to the normal 48 you'd seen on this type of map. I'm not sure how that was done without looking at a real map but I have a gut feeling iowa/missouri/arkansas were shuffled somehow to accomplish it.
brentashley
914 days ago
nebraska, kansas, delaware
cosmotic
914 days ago
Indiana is there
silberbaer
914 days ago
I'm not missing any of them, unless they change the outcome of the election.
yerfdogyrag
913 days ago
I love that he kept 4 corners.
jptoor
910 days ago
@passionsocks's answer swapping Delaware for Indiana. That was way harder than I expected.
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fxer
913 days ago
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Can cut a canal from the Chesapeake to the Great Lakes without Pennsylvania there
Bend, Oregon
deebee
913 days ago
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My wife is a real map-nut, she screamed at this like it was a spider jumping out at her
America City, America
TrueGeek
914 days ago
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Related - map of the US but Alaska is the focus and the lower 48 are in the small box in the corner:

https://www.williwaw.com/product/ak-usa-map/
Lawrenceville, Georgia
alt_text_bot
914 days ago
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Linguists, settling some inscrutable grudge, have been steadily sneaking more backdated synonyms for 'sharing borders' into the dictionary. They've added 'contiguous,' 'coterminous,' 'conterminous,' and next year they're adding 'conterguous.'

Mathematical Symbol Fight

3 Comments and 5 Shares
Oh no, a musician just burst in through the door confidently twirling a treble clef.
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Screwtape
1033 days ago
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I'm sad to see that Psi only placed halfway up the list, given that Sai (which are exactly the same shape) are actual legit real-world weapons.
rraszews
1033 days ago
It's the short range that gets you. What you really need is a set of throwing Kleene Stars
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DexX
1033 days ago
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I wield the two-handed integral.
Melbourne, Australia
alt_text_bot
1033 days ago
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Oh no, a musician just burst in through the door confidently twirling a treble clef.

Five Word Jargon

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My other (much harder) hobby is trying to engineer situations where I have an excuse to use more than one of them in short succession.
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Screwtape
1072 days ago
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"Mathematical Anti-Telharsic Harfatum Septomin"
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rraszews
1072 days ago
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Unfortunately, none of them can be sung to the Teenage Mutant Ninja Turtles theme song.
Columbia, MD
denismm
1072 days ago
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My favorite such phrase is only 4 words, unfortunately. “Pulse detonation engine tube”.
jlvanderzwan
1072 days ago
... not sure if penis joke or not
denismm
1072 days ago
https://en.wikipedia.org/wiki/Pulse_detonation_engine
alt_text_bot
1072 days ago
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My other (much harder) hobby is trying to engineer situations where I have an excuse to use more than one of them in short succession.
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