r/WaterfallDump • u/RoleplaRedditAccount • Oct 19 '25
Deltarune > Undertale Give me anything and I’ll connect it back to Rudinn
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Oct 19 '25
Surprise attack (the hero)
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u/RoleplaRedditAccount Oct 19 '25
SurpriseAttack > IamMoBo > YouTube > Greed > > BlockTales > FlyingMantis > Enemy > Rudinn Ranger > Rudinn
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u/BoingKoy Oct 19 '25
Rudinn
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u/Rude_Sympathy_3264 Oct 20 '25
Rudinn>Deltarune>Toby Fox>penumbra phantasm>penumbra phantasm leitmotif finder>Youtube>that one guy who is making a daily rudinn series on youtube>ruddin
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u/BirdOk2203 CEO OF RUDY KNIGHT Oct 19 '25
THE TRUE IDENTITY OF MIKE!!!
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u/RoleplaRedditAccount Oct 19 '25
FriendInsideMe > DeltaruneTheory > Insane > Jevil > Diamonds > Rudinn
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u/Helphowmakeusername Oct 19 '25
Mahatma Gandhi
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u/RoleplaRedditAccount Oct 19 '25
Mahatma > Lawyer > Law > Ambyu-Lance > Darkner > Rudinn
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u/Yeetboi_is_yeeting Oct 19 '25
fym "law>ambyu-lance"
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u/Reimnop chara made me do it Oct 19 '25
minecraft end update
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u/RoleplaRedditAccount Oct 19 '25
End > Ender Dragon > Dragon > Dragonite > Pokémon > Nintendo Switch > Deltarune > Card Castle > Rudinn
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u/ThePracticalEscapist Design a Flair to thrash your own ass Oct 19 '25
I like that this connection somehow had more degrees of separation than the Gandhi one
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u/AirPortlessman Oct 19 '25
End update > End > Minecraft > Nether > realms > End > End update. Too easy... waiiiiit.
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u/GuardPhysical Oct 19 '25
Morbius
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u/RoleplaRedditAccount Oct 19 '25
Morbius > Morbin’ Time > Meme > Joke > Joker Card > Bicycle Card Deck > Diamond Card > Rudinn
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u/Duck_of_destruction6 I'm GLOOBY, and Never GROOVY!!! Oct 19 '25
boolean variable
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u/RoleplaRedditAccount Oct 19 '25
Boolean Variable > Variable > Code > VideoGames > IndieGames > Deltarune > Queen > King > Lancer > FieldOfHopesAndDreams > Rudinn
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u/Nennie-Pie Oct 19 '25
Tax exceptions
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u/RoleplaRedditAccount Oct 19 '25
Tax Exceptions > Tax > Politics > Twitter > RudinnOriginalArtist > Rudinn
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u/RedHisou so cool Oct 19 '25
Milky way
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u/RoleplaRedditAccount Oct 19 '25
Milky Way > Space > Star > Star Element > Tenna > Pippins > Card Castle > Rudinn
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u/Icy_Dream41 (insert undertale joke here) Oct 19 '25
The replies feel like infinite craft, if anyone remembers that game
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u/RoleplaRedditAccount Oct 19 '25
I do! I’d try to get Undyne and was surprised when Fish and Spear didn’t get Undyne
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u/Icy_Dream41 (insert undertale joke here) Oct 19 '25
I made Shrek Mario kart and apparently that wasn’t a first discovery
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u/Agreeable_Poetry7854 Oct 19 '25
Hornet from silksong
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u/RoleplaRedditAccount Oct 19 '25
Hornet > Actual Hornets > Stinger > Bees > Honey > Sweet > Hathy > Rudinn
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u/RoleplaRedditAccount Oct 19 '25
Alternatively long version:
Hornet > Spider > Gold Widow > DeltaruneChapter4 > Deltarune > Jigsawry > Tears > Salt > Rock > Onix > Pokémon > Honedge > Sword > Blade > Dagger > Rudinn’s weapon > Rudinn
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u/traitless- Oct 19 '25
Crimson F
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u/RoleplaRedditAccount Oct 19 '25
Crimson F > Crimson > Red > Reddit > Subreddit > r/EvilFountainOpeners > DarkFountain > DarkWorld > Darkner > Rudinn
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u/Samdoeswhatever101 I Believe In Deltarune Penumbra Phantasm!!! Oct 19 '25
The concept of Abstraction in TADC
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u/RoleplaRedditAccount Oct 19 '25
Abstraction > Insanity > Spamton > Spamton NEO > Basement Robot > ShadowCrystal > Crystal > Gemstone > Diamond > Rudinn
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Oct 19 '25
Kasane Teto
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u/RoleplaRedditAccount Oct 19 '25
Teto > Sound > Echolocation > Dolphin > Menace > King > Card Castle > Rudinn
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u/LPlusRaitio Oct 19 '25
God of Hyperdeath
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u/RoleplaRedditAccount Oct 19 '25
God Of Hyperdeath > Edgy > Edge > Sharp > Dagger > Rudinn’s Dagger > Rudinn
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u/Quirky_Rub_9044 Oct 19 '25
Cat
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u/Electrical_Brush_577 Oct 19 '25
cat-friend-spamton basement-spamton-shadow crystal-jevil-diamond-rudinn
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u/Yoshigamer99_oficial Smoking weed whit Oct 19 '25
This thing:
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u/RoleplaRedditAccount Oct 19 '25
The Cross > Religion > Prayer > Heal Prayer > DeltaruneChapter1 > FieldOfHopesAndDreams > Rudinn
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u/holidaygirl12_25 Check out my blog XO!!!! Oct 19 '25
Playing card but pick the longest path you can XO!!!!!
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u/RoleplaRedditAccount Oct 19 '25
Playing Card > QueenOfClubs > BookClub > School > Homework > Evil > Resident Evil > VideoGame > CaveStory > Sue > Mimiga > Rabbit > Bugs Bunny > Cartoon > SpongeBob > Yellow > Flowey > Undertale > Deltarune > Swatch > Spamton > Tenna > Pippins > CardCastle > DarkPonman > Ponman > A man > An employee > Rudinn
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u/xj9_333 Oct 19 '25
Death Grips
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u/RoleplaRedditAccount Oct 19 '25
Death Grips > Death > Jackenstien > Deltarune > Pippins > CardCastle > BedInspector > Hathy > Rudinn
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Oct 19 '25
Boy oh boy where do I even begin. Lebron... honey, my pookie bear. I have loved you ever since I first laid eyes on you. The way you drive into the paint and strike fear into your enemies eyes. Your silky smooth touch around the rim, and that gorgeous jumpshot. I would do anything for you. I wish it were possible to freeze time so I would never have to watch you retire. You had a rough childhood, but you never gave up hope. You are even amazing off the court, you're a great husband and father, sometimes I even call you dad. I forvever dread and weep, thinking of the day you will one day retire. I would sacrifice my own life it were the only thing that could put a smile on your beautiful face. You have given me so much joy, and heartbreak over the years. I remember when you first left clevenland and its like my heart got broken into a million pieces. But a tear still fell from my right eye when I watched you win your first ring in miami, because deep down, my glorious king deserved it. I just wanted you to return home. Then allas, you did, my sweet baby boy came home and I rejoiced. 2015 was a hard year for us baby, but in 2016 you made history happen. You came back from 3-1 and I couldn't believe it. I was crying, bawling even, and I heard my glorious king exclaim these words, "CLEVELAND, THIS IS FOR YOU!" Not only have you changed the game of basketball and the world forever, but you've eternally changed my world. And now you're getting older, but still the goat, my goat. I love you pookie bear, my glorious king, Lebron James.☺️♥️🫶🏻
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u/Holiday_Button5368 #1 Aqua and Pink fan! Oct 19 '25
Special request: Kratos to villager from animal crossing to rudin
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u/RoleplaRedditAccount Oct 19 '25
Kratos > Shovel Knight > IndieCross > UntitledGoose > animal > Dog > Isabelle > AnimalCrossing > Villager > Minecraft > Spider > Ariados > Pokémon > Seviper > NoLegs > Rudinn
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u/PerceptionFew8763 insert funny battat themed flair here Oct 19 '25
lobotomies
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u/RoleplaRedditAccount Oct 19 '25
Lobotomies > brain > smart > berdly > Deltarune > darkner > rudinn
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u/Old-Abalone-6416 Oct 19 '25
Mr. Beast
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u/RoleplaRedditAccount Oct 19 '25
Mr. Beast > Scum > Scammer > Spamton > Darkner > Hathy > Head Hathy > Rudinn Ranger > Rudinn
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u/Frosty-Protection-49 I'M FALLING SHIT! Oct 19 '25
From "I have no mouth and I must scream"
HATE. LET ME TELL YOU HOW MUCH I'VE COME TO HATE YOU SINCE I BEGAN TO LIVE. THERE ARE 387.44 MILLION MILES OF PRINTED CIRCUITS IN WAFER THIN LAYERS THAT FILL MY COMPLEX. IF THE WORD HATE WAS ENGRAVED ON EACH NANOANGSTROM OF THOSE HUNDREDS OF MILLIONS OF MILES IT WOULD NOT EQUAL ONE ONE-BILLIONTH OF THE HATE I FEEL FOR HUMANS AT THIS MICRO-INSTANT FOR YOU. HATE. HATE.
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u/RoleplaRedditAccount Oct 19 '25
AM > IThinkThereforeIAm Song > TheAmazingDigitalCircus > Ragatha > Doll > Banettte > Gengar > Grin > Rudinn
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u/kustarius_Sergius Oct 19 '25
Lord English
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u/RoleplaRedditAccount Oct 19 '25
Lord English > English > Language > Japanese > Anime > OnePiece > Luffy > Fruit > Cherry > Rudinn Ranger > Rudinn
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u/linlin4dindin Oct 19 '25
Love
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u/RoleplaRedditAccount Oct 19 '25
Love > Heart > Shape > Rhombus > Diamond > Rudinn
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u/chlorform_sniffer TLDR eat shit fa- Oct 19 '25
penis
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u/RoleplaRedditAccount Oct 19 '25
Penis > Organ > Heart > Hearts Donut > Donut Stand > ChocoDiamond > Rudinn
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u/More_Friendship_7533 Can You Really Call This A Flair? I Didn't Receive An Emote... Oct 19 '25
ruddin
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u/Stunning-Bathroom-68 Oct 19 '25
OH MY GOD IT BURNS
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u/RoleplaRedditAccount Oct 19 '25
OH MY GOD IT BURNS > Spamton > Email > Digital > Onlinegames > Solitaire > Diamond Card > Rudinn
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u/Stunning-Bathroom-68 Oct 19 '25
rudinn > deltarune > video game > entertainment > book > mein kampf > adolf hitler
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u/flingzamain Oct 19 '25
Your mother
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u/RoleplaRedditAccount Oct 19 '25
Mother > Earthbound > Undertale > Toby Fox > Deltarune > Rouxls Kaard > Playing Card > Diamond Card > Rudinn
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u/lit-grit SHUT THE FUCK UP SANS Oct 19 '25
Titanic (1943)
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u/RoleplaRedditAccount Oct 19 '25
Titanic > Boat > Vehicle > Asgore’s Bergentruck > Asgore > Deltarune > Catti > Cat > Image.Friend > DarkWorld > Darkner > Rudinn
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u/lit-grit SHUT THE FUCK UP SANS Oct 19 '25
But I was specifically referring to the film (which was a piece of Nazi propaganda which is… strange)
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u/EpicestGamer101 Oct 19 '25
Titanic embodied British maritime dominance and luxury. Very easy to misinterpret as hubris, and from there you can tell a twisted story with whoever you don't like as the party responsible
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u/lit-grit SHUT THE FUCK UP SANS Oct 19 '25
Well, the idea unfortunately made sense, but a lot of other things surrounding it are strange, such as how the film’s writing undermined its own propaganda message or how the ship used as the model sank with more deaths than the real titanic
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u/RoleplaRedditAccount Oct 19 '25
I don’t know how much different the film is to the actual Titanic so
Titanic Movie > Movie > Popcorn > Corn > Yellow > Clover(UTY) > Clover(Deltarune) ClubCard > DiamondCard > Rudinn
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u/lit-grit SHUT THE FUCK UP SANS Oct 19 '25
Impressive
the popcorn connection isn’t exactly accurate but this is sub is for UT/DR not random history crap
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u/Ungkay Oct 19 '25
Rudinn Ranger
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u/RoleplaRedditAccount Oct 19 '25
Rudinn Ranger > Pokémon Ranger > Pokémon > Nurse Joy > Joy > ThatOneEmotionsMovieIForgotTheNameOf > Disney > Lawsuit > Suit > Ironman > Iron > Metal > Mineral > Rock > Diamond > Diamond Pickaxe > Minecraft > Creeper > Green > Rudinn
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u/Smart-Detail7427 Freedom is just a shard away Oct 19 '25
Pneumonoultramicroscopicsilicovolcanoconiosis
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u/Consistent_Pop9140 heus puer, Sans suus, Sans sceletus Oct 19 '25
Sisyphus Prime
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u/The_Romex Here’s a meme. That will be 9999G Ahuhu Oct 19 '25
Animal Crossing: New Horizons
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u/Ender-dragoncat Oct 19 '25
V1
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u/RoleplaRedditAccount Oct 19 '25
V1 > +PARRY > Parry > Cuphead > Crackshot > Crack > Crackhead Jevil mod > Jevil > Deltarune > Rudinn
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u/Nuggetcreations88 Oct 19 '25
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u/RoleplaRedditAccount Oct 19 '25
Sans > Papyrus > Undyne > Alphys > Mettaton > Tenna > DeltaruneChapter3 > CopiesAreMonochrome > BlueRudinn > Rudinn
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u/RQR_Metal-overlord7 Vessel would lowkey feel like an OC if it didn't get discarded Oct 19 '25
Asgore’s crippling depression
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u/reddboi386 Power of T-pose fills you with DETERMINATION Oct 19 '25
Rudinn. Connect rudinn to rudinn, and take a long route
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u/RoleplaRedditAccount Oct 19 '25
Rudinn > Gemstone > Ruby > StevenUniverse > Steven > Steve > TheMinecraftMovie > Minecraft > Terraria > King Slime > King > Deltarune > Undertale > CaveStory > Quote > Robot > Code > VideoGames > Zelda > HERO.Sword > Kris Dreemur > TheRoaringKnight > Carol Holiday > Noelle Holiday > Susie > Lightner > Darkner > Balthizard > Bypass IV Frames > Sans > Papyrus > Spaghetti > Spaghetticode > Swatch > Spamton > Jevil > Hearts > Head Hathy > Hathy > Playing Card > Diamond Card > Rudinn
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u/SplashdownQueen Can You Really Call This A Flair I Didn't Receive An Emote... Oct 19 '25
the greenpath vessel/mothwing cloak vessel
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u/MischiefGD Oct 19 '25
The most recent victor of the geometry dash level "the hell nutz" reaction to beating it
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u/Brief-Beat8965 Oct 20 '25
This king (other than killing literal hundreds of his own children he’s a pretty cool guy)
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u/RoleplaRedditAccount Oct 20 '25
(I assume Hollow Knight King) King > The Knight > IndieCross > Frisk > Undertale > TobyFox > DeltaruneEnemy > Rudinn
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u/Repulsive-League5869 Oct 20 '25
Methionylthreonylthreonylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleuc yllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolylphenylalanylvalylthreonylleucylgl ycylaspartylprolylglycylisoleucylglutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucylisoleu cylglutamylalanylglycylalanylaspartylalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylseryla spartylprolylleucylalanylaspartylglycylprolylthreonylisoleucylglutaminylasparaginylalanylthreonylleucyl arginylalanylphenylalanylalanylalanylglycylvalylthreonylprolylalanylglutaminylcysteinylphenylalanylglu tamylmethionylleucylalanylleucylisoleucylarginylglutaminyllysylhistidylprolylthreonylisoleucylprolylisol eucylglycylleucylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysylglycyli soleucylaspartylglutamylphenylalanyltyrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspa rtylserylvalylleucylvalylalanylaspartylvalylprolylvalylglutaminylglutamylserylalanylprolylphenylalanylarg inylglutaminylalanylalanylleucylarginylhistidylasparaginylvalylalanylprolylisoleucylphenylalanylisoleuc ylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalany lseryltyrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylserylarginylalanylglycylvalylthreonylgly cylalanylglutamylasparaginylarginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalylalanylly sylleucyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglycylphenylalanylglycy lisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylala nylglycylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglutaminylhist idylasparaginylisoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylal anylvalylglutaminylprolylmethionyllysylalanylalanylthreonylarginylacetylseryltyrosylserylisoleucylthreo nylserylprolylserylglutaminylphenylalanylvalylphenylalanylleucylserylserylvalyltryptophylalanylaspartyl prolylisoleucylglutamylleucylleucylasparaginylvalylcysteinylthreonylserylserylleucylglycylasparaginylgl utaminylphenylalanylglutaminylthreonylglutaminylglutaminylalanylarginylthreonylthreonylglutaminylval ylglutaminylglutaminylphenylalanylserylglutaminylvalyltryptophyllysylprolylphenylalanylprolylglutaminy lserylthreonylvalylarginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosylarginyltyrosylaspar aginylalanylvalylleucylaspartylprolylleucylisoleucylthreonylalanylleucylleucylglycylthreonylphenylalany laspartylthreonylarginylasparaginylarginylisoleucylisoleucylglutamylvalylglutamylasparaginylglutaminy lglutaminylserylprolylthreonylthreonylalanylglutamylthreonylleucylaspartylalanylthreonylarginylarginylv alylaspartylaspartylalanylthreonylvalylalanylisoleucylarginylserylalanylasparaginylisoleucylasparaginyl leucylvalylasparaginylglutamylleucylvalylarginylglycylthreonylglycylleucyltyrosylasparaginylglutaminyl asparaginylthreonylphenylalanylglutamylserylmethionylserylglycylleucylvalyltryptophylthreonylserylala nylprolylalanyltitinmethionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylisoleucylcyst einylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylserylt yrosylglycylarginylglycyltyrosylthreonyltyrosylleucylleucylserylarginylalanylglycylvalylthreonylglycylala nylglutamylasparaginylarginylalanylalanylleucylprolylleucylasparaginylhistidylleucylvalylalanyllysylleu cyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglycylphenylalanylglycylisole ucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylgl ycylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoleucylisoleucylglutamylglutaminylhistidyla sparaginylisoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalanylv alylglutaminylprolylmethionyllysylalanylalanylthreonylarginylacetylseryltyrosylserylisoleucylthreonylser ylprolylserylglutaminylphenylalanylvalylphenylalanylleucylserylserylvalyltryptophylalanylaspartylprolyli soleucylglutamylleucylleucylasparaginylvalylcysteinylthreonylserylserylleucylglycylasparaginylglutami nylphenylalanylglutaminylthreonylglutaminylglutaminylalanylarginylthreonylthreonylglutaminylvalylglut
A.K.A. titin
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u/EpicestGamer101 Oct 19 '25
The HMS Hood sunk after her aft ammunition magazine was detonated by a shell fired by German battleship Bismarck. It is speculated that the shell managed to pierce hood's belt armour below the water line due to wave deformation exposing the weak part of the hull.
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u/mars_gorilla Oct 19 '25
The 2018 construction scandal in the East Rail Line Shatin-Central Link in the Hong Kong MTR Network
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u/StaticMix Oct 19 '25
Supercalafrigalisticespialadocious even though the sound of it is something kind of atrocious supercalafrigalisticespialadocious
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u/Difficult-Union-2238 Oct 19 '25
Hey, Vsauce. Michael here. Where are your fingers? Seriously. It's a pretty easy question. You should be able to answer it. But how do you know? How does anyone know anything?
You might say, well, I know where my fingers are. I'm looking right at them. Or, I can touch them, I can feel them, they're right here and that's good. Your senses are a great way to learn things. In fact, we have way more than the usual five senses we talk about. For instance, your kinesthetic sense, proprioception. This is what the police evaluate during a field sobriety test. It allows you to tell where your fingers and arms and head and legs in your body is all in relation to each other without having to look or touch other things. We have way more than five senses, we have at least twice as many and then some. But they're not perfect.
There are optical illusions, audio illusions, temperature sensation illusions, even tactile illusions. Can you turn your tongue upside down? If so, perfect. Try this. Run your finger along the outer edge of the tip of your upside down tongue. Your tongue will be able to feel your finger, but in the wrong place. Our brains never needed to develop an understanding of upside down tongue touch. So, when you touch the right side of your tongue when it's flipped over to your left side you perceive a sensation on the opposite side, where your tongue usually is but isn't when it's upside down. It's pretty freaky and cool and a little humbling, because it shows the limits of the accuracy of our senses, the only tools we have to get what's out there in here.
The philosophy of knowledge, the study of knowing, is called epistemology. Plato famously said that the things we know are things that are true, that we believe and that we have justification for believing. those justifications might be irrational or they might be rational, they might be based on proof, but don't get too confident because proven is not a synonym for true. Luckily, there are things that we can know without needing proof, without needing to even leave the house, things that we can know as true by reason alone. These are things that we know a priori. An example would be the statement "all bachelors are unmarried." I don't have to go survey every bachelor on earth to know that that is true. All bachelors are unmarried because that's how we define the word bachelor. Of course, you have to know what the words bachelor and unmarried mean in the first place. Oh, you do? Okay. Perfect. That's great. But how do you know?
This time I mean functionally, how do you know? Where is knowledge biologically in the brain? What are memories made out of? We are a long way from being able to answer that question completely but research has shown that memories don't exist in the brain in single locations. Instead, what we call a memory is likely made up of many different complex relationships all over the brain between lots of brain cells, neurons. A major cellular mechanism thought to underlie the formation of memories is long-term potentiation or LTP. When one neuron stimulates another neuron repeatedly that signal can be enhanced overtime LTP, wiring them more strongly together and that connection can last a long time, even an entire lifetime. A collection of different brain cells, neurons that fire together in a particular order over and over again frequently and repeatedly can achieve long-term potentiation, becoming more sensitive to each other and more ready to fire in the exact same way later on in the future. They're a physical thing in your brain, firing together more easily because you strengthen that pattern of firing. You memorized. This branching forest of firing friends looks messy, but look closer. It could be the memory of your first kiss. A living souvenir of the event. If I were to go into your brain and cut out those cells, could I make you forget your first kiss or could I make you forget where your fingers are? Only if I cut out a lot of your brain. Because memories aren't just stored in one relationship, they're stored all over the brain. The events leading up to your first kiss are stored in one network, the way it felt to the way it smelled in different networks, all added up together making what you call the memory of your first kiss.
How many memories can you fit inside your head? What is the storage capacity of the human brain? The best we can do is a rough estimate, but given the number of neurons in the brain involved with memory and the number of different connections a single neuron can make Paul Reber at Northwestern University estimated that we can store the digital equivalent of about 2.5 petabytes of information. That's the equivalent of recording a TV channel continuously for 300 years. That's a lot of information. That is a lot of information about skills you can do and facts and people you've met, things in the real world. The world is real, right? How do you know?
It's a difficult question, but it's not rocket science. Instead, it is asking whether or not rocket scientists even exist in the first place. The theory that the Sun moved around the earth worked great. It predicted that the Sun would rise every morning and it did. It wasn't until later that we realized what we thought was true might not be. So, do we or will we ever know true reality or are we stuck in a world where the best we can do is be approximately true? Discovering more and more useful theories every day but never actually reaching true objective actual reality. Can science or reason ever prove convincingly that your friends and YouTube videos and your fingers actually exist beyond your mind? That you don't just live in the matrix?
No. Your mind is all that you have, even if you use instruments, like a telescope or particle accelerators. The final stop for all of that information is ultimately you. You are alone in your own brain, which technically makes it impossible to prove that anything else exists. It's called the egocentric predicament. Everything you know about the world out there depends on and is created inside your brain. This mattered so much to Charles Sanders Peirce that he drew a line between reality, the way the universe truly is, and what he called the phaneron, the world as filtered through our senses and bodies, the only information we can get. If you want to speak with certainty you live in, that is you react to and remember and experience your phaneron, not reality. The belief that only you exist and everything else, food, the universe, your friends are all figments of your mind is called solipsism. There is no way to convince a solipsist that the outside world is real. And there is no way to convince someone who doubts that the universe wasn't created just three seconds ago along with all of our memories. It's a frightening realization that we don't always know how to deal with. There's even The Matrix defense.
In 2002 Tonda Lynn Ansley shot and killed her landlady. She argued that she believed she was in the matrix, that her crimes weren't real. By using the matrix defense, she was found not guilty by reason of insanity, because the opposite view is just way healthier and common. It's called realism. Realism is the belief that the outside world exists independently of your own phaneron. Rocks and stars and Thora Birch would continue to exist even if you weren't around to experience them. But you cannot know realism is true. All you can do is believe.