Numbery Card Trick - Numberphile

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  • Опубликовано: 6 сен 2024
  • Can Matt implant numbers into Brady's brain - or more likely, is this just a simple card trick? Keep watching to the end!
    More links & stuff in full description below ↓↓↓
    Featuring Matt Parker - standupmaths.com/
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Комментарии • 649

  • @numberphile
    @numberphile  12 лет назад +151

    Hey guys - do you like card trick videos with a bit of maths? Do you want more? Thumbs up so I know whether to shoot more!
    - Brady

    • @ashishkumaro
      @ashishkumaro 4 года назад +3

      Yes please make more videos
      Love 27 card trick

  • @KingIsulgard
    @KingIsulgard 10 лет назад +109

    Lol, it really feels like he doesn't want to reveal his secrets. :P

  • @piguy314159
    @piguy314159 9 лет назад +44

    Here's my slight variation on this trick:
    If N1 < N2, put the second "fail" card on the bottom before counting the difference.
    If N1 > N2, put the whole second pile underneath as Matt did.
    That way you can be consistent with how you count the cards (always turn over the Nth card, instead of counting N and then turning over the next card).

    • @matrikomatriko
      @matrikomatriko 8 лет назад

      +piguy314159 I have tested this and can confirm, this is true and makes it look smoother.

    • @sarthakmohanty997
      @sarthakmohanty997 8 лет назад

      I'm sorry I didn't understand. Will you please explain a bit more clearly?

    • @piguy314159
      @piguy314159 8 лет назад +1

      Sarthak Mohanty When he turns over the "wrong" card the second time, he can slide that card underneath while putting the rest of the cards back on top. Then the prediction card ends up at the 3rd (or whatever) position and he can simply turn over the 3rd card instead of counting to 3 and then turning over the next card.
      That way he can count the other piles in the same manner (just turn over the last card), so he never has to change how he counts the last pile and risk someone noticing.

    • @sarthakmohanty997
      @sarthakmohanty997 8 лет назад

      Thanks

  • @Qermaq
    @Qermaq 9 лет назад +436

    If they pick an irrational number, punch them and take their money.

    • @remavas5470
      @remavas5470 9 лет назад +18

      And whats about complex numbers?

    • @Bastardatore
      @Bastardatore 8 лет назад +32

      Then you use 2 decks

    • @michalnemecek3575
      @michalnemecek3575 6 лет назад +1

      Brock Harrison on Twitch what if one of the numbers is the square root of i?

    • @GeodesicBruh
      @GeodesicBruh 4 года назад +3

      Michal Nemecek sqrt i is just a complex number

    • @M4RC90
      @M4RC90 4 года назад +1

      @@GeodesicBruh well actually it's two numbers :P

  • @Russeljrjs
    @Russeljrjs 8 лет назад +83

    "and then their brain blows up" 😂😂😂😂

  • @mismag822
    @mismag822 12 лет назад +28

    Do more! Maths or Math FTW

  • @Jaojao_puzzlesolver
    @Jaojao_puzzlesolver 4 года назад +3

    1:31 How to fold up a paper *properly* 😆

  • @mismag822
    @mismag822 12 лет назад +12

    Brady, it looks like people want more MATHS CARD TRICKS :)

  • @numberphile
    @numberphile  12 лет назад +4

    great - thank you!
    more like this one are coming!

  • @RomanNumural9
    @RomanNumural9 9 лет назад +120

    What if they pick a complex number?

    • @leonenaj
      @leonenaj 8 лет назад +32

      +Josh McGillivray then you let THEM count out 1 + 1i cards from the deck

    • @SharayaYT
      @SharayaYT 8 лет назад +68

      You let them imagine the card.

    • @colonelstriker2519
      @colonelstriker2519 6 лет назад +2

      Punch them

    • @elnico5623
      @elnico5623 5 лет назад +3

      You say it got lost in their *imagination*

    • @JackFlashTech
      @JackFlashTech 4 года назад +1

      Count out the real part and then rotate the deck the imaginary part.

  • @shantanunene4389
    @shantanunene4389 6 лет назад +3

    In the first attempt, I thought it turned out to be a Parker square trick.

  • @numberphile
    @numberphile  12 лет назад +2

    we're doing a bunch of Rubik's videos but they are not quite finished yet...

  • @narutostelwolf
    @narutostelwolf 12 лет назад +6

    I've never seen someone so enthusiastic about magic.

  • @aaronleperspicace1704
    @aaronleperspicace1704 5 лет назад +9

    3:40
    😂😂😂
    This is meme material!

  • @br0sRchill
    @br0sRchill 12 лет назад +6

    "Really? Im glad you're certain because it is the top card!" "and then their brain blows up"

  • @barts185
    @barts185 12 лет назад +1

    Much simpler, easier and more effective as a trick (IMO of course) - first, tell them to pick a number between 5 and 20 so you're not counting cards all day long. You count down and show whatever number card they said. After you get it wrong, put the cards back on the deck, and then act like you just realized that since THEY came up with the number THEY should do it. Hand them back the deck, they count down the same number, and quicker than you can say Spiriti mei infernali, obedite, it works.

  • @malosmys7660
    @malosmys7660 7 лет назад +22

    What if they say 5 and 10 or any other pair that one is twice the other? Then the difference would be one that they already guessed and the reveal wouldn't work.

  • @magma_chicken9993
    @magma_chicken9993 6 лет назад +1

    I like how he was like 'Hey! You're still here! What more do you want?"

  • @numberphile
    @numberphile  12 лет назад +5

    about four years I think (on RUclips)

  • @michaeln.1981
    @michaeln.1981 6 лет назад +29

    "no youtubery"

  • @kevin9794
    @kevin9794 12 лет назад +6

    You should do more videos with Matt. He's pretty cool and funny!

  • @samuelhodges6471
    @samuelhodges6471 6 лет назад +2

    Nice. Covered all of the possibilities. I like the MIT (Magician In Trouble), syndrome. This effect is a great follow up after an ACAAN (Any Card At Any Number), effect where the effect is carried one step further (if it ever comes up that the spectator is sceptic of the first effect ), by allowing the spectator to pick the number where the card should be in a sense that you sent the number to the spectator, yet leaving the spectator with the thought that the spectator really received the number that you sent or the spectator could have picked any number that popped in their head. This is perfect when the spectator is sceptic that the performer is really not sending the number to them mentally and the spectator just say any number to see if the trick will work. So, when the effect still works, in that case, this makes the effect all the more powerful!

  • @alansmithee419
    @alansmithee419 5 лет назад +1

    Loving the adjective "numbery"

  • @Vixikats
    @Vixikats 11 лет назад +2

    This is a mechanic that can easily be added onto to involve audience members picking the card. Add a little sleight of hand into the equation and you can really make a brain-teasing trick that's guaranteed to baffle people. Not many magicians actually mix sleuth tricks with math tricks, but when it's done well, it's really good.

  • @mismag822
    @mismag822 12 лет назад +9

    Some of the related videos are pretty cool ;)

  • @numberphile
    @numberphile  12 лет назад +1

    coming soon!

  • @FyirexShinObi
    @FyirexShinObi 10 лет назад +13

    3:40 LOL

  • @jekrixlokan4507
    @jekrixlokan4507 3 года назад +1

    That's the most parker way of folding a paper

  • @blipmachine
    @blipmachine 4 года назад +1

    9:37 is a meme waiting to be discovered.

  • @AdultsSwim1
    @AdultsSwim1 12 лет назад

    Lol the still face at the end of the video is classic

  • @Fredediah
    @Fredediah 12 лет назад +1

    I'm really excited about the Rubik's cube videos! I've always been fascinated by those things, and any discussion about them from you guys on Numberphile is guaranteed to be amazing, and probably even mind-blowing.

  • @trixter21992251
    @trixter21992251 12 лет назад

    my brain when they pick a negative number and insist I count from the bottom

  • @numberphile
    @numberphile  12 лет назад +2

    seems that way

  • @Tanguero1
    @Tanguero1 8 лет назад +1

    When a person chooses a smaller number second (e.g., 7 followed by 5) you do not need to change the trick and present the 5 card. Simply ask them to choose the second number, in this case 5 and place the 8th card on top of the pile you just counted out instead of placing in back on the the main card pile. Proceed with placing the "counted" pile underneath the main pile and count out 2 in this example and the 3rd card will be the card you wrote down.

  • @TazManiac008
    @TazManiac008 12 лет назад

    I did the trick to a friend, his first choice was 1, I showed him the card and he was blown away!!

  • @XempireX18
    @XempireX18 12 лет назад

    "and then their brain blows up." hahahaha, u r just too funny.

  • @barts185
    @barts185 12 лет назад

    Two things to correct: First - there's 52 factorial ways that a deck can be shuffled. So as opposed to 52 squared, which would be 2704 ways to shuffle a deck, there's actually
    80,658,175,170,943,878,571,660,636,856,403,766,975,289,505,440,883,277,824,000,000,000,000
    ways a deck of cards can be shuffled.
    And even with all those ways to shuffle a deck of cards, there's only 52 spots a particular card can go in, so the 8 of diamonds will be in slot 1 (on top) once out of every 52 times.

  • @TobyLerone
    @TobyLerone 10 лет назад +10

    I was actually thinking twelve!!

  • @numberphile
    @numberphile  12 лет назад +1

    soon, soon!

  • @ReinoudvanZoelen
    @ReinoudvanZoelen 12 лет назад +1

    the end was amazing

  • @IsaacarWolfsbane
    @IsaacarWolfsbane 12 лет назад

    I was slightly terrified because Brady said both of the numbers I was thinking of.

  • @DejanMaticnaLSDu
    @DejanMaticnaLSDu 12 лет назад

    I hated math my whole life, I can't stand one day of my life whit out numberphile since I have discovered it. Thank you numberphile for showing me the beauty of math!

  • @JaihindhReddy
    @JaihindhReddy 11 лет назад

    When he said that we have to write down the top card, I immediately understood the trick. And it is so simple!!!

  • @Dyslexic-Artist-Theory-on-Time
    @Dyslexic-Artist-Theory-on-Time 12 лет назад

    Interesting video!
    This is an invitation to see an artist theory on the physics of light and time!
    This theory is based on just two postulates
    1. Is that the quantum wave particle function Ψ or probability function represents the forward passage of time itself
    2. Is that Heisenberg’s Uncertainty Principle ∆×∆p×≥h/4π that is formed by the w-function is the same uncertainty we have with any future event within our own ref-frame that we can interact with turning the possible into the actual!

  • @MattPieti
    @MattPieti 12 лет назад

    That guy's my favorite out of all the guys in numberphile videos. I'll always remember the video where he suggests he is going to start writing on a blackboard and pulls it away to reveal more brown paper.

  • @Izandaia
    @Izandaia 11 лет назад +1

    I love his face in the last frame.

  • @presto709
    @presto709 3 года назад +1

    Don't do the failing twice thing. Just ask for a number, deal, ask for another number, deal, then show that they found the card. Failing twice makes it looks like you are just going to keep going until you finally reach their card

  • @alexsimi66
    @alexsimi66 12 лет назад

    I found out on the Internet a very complicated math card trick that works every time and I have no idea how it works, it requires no preparation, no peeking at a card, not a single cheat. Can I make a video and reply to this video showing the trick? It's really impressive!

  • @MrFloRolf
    @MrFloRolf 12 лет назад

    sure it does. The card is the second one, after the first guess, and then he says one so the first card (at first second card) comes of and the one after that is the card you chose.

  • @modestas62
    @modestas62 12 лет назад

    But the fact that you look at all the cards at the start puts the "magic" of this trick way back.

  • @Movementxx
    @Movementxx 12 лет назад

    Hahaha his face at the end:D

  • @TheCleverJon
    @TheCleverJon 12 лет назад

    That face at 9:38 must be the most hilarius face i have ever seen.

  • @hideyoshikinoshita1266
    @hideyoshikinoshita1266 2 года назад

    there's a thing called card force in magic trick, and one of those card force work kinda similar to this one except it do with 1 number and it repeat twice instead of 2 diff number then subtract the 2. But both work on the same idea of reverse cards order.

  • @IcEye89
    @IcEye89 12 лет назад

    What we are able to see here is a true master of origami anyone can fold paper to make a swan, a dragon or a working model of Stephenson's Rocket but it takes years of practise to perfect the one handed blob of paper and even more so if you perform it on camera.

  • @quinnencrawford9707
    @quinnencrawford9707 5 лет назад +2

    Oh man, I wanna make a computer from playing cards.
    I don't know how, though.

    • @elnico5623
      @elnico5623 5 лет назад +1

      Im almost certain that you can.... somehow

  • @ItsSansom
    @ItsSansom 12 лет назад +1

    6:26 He looks like he's at a bar xD

  • @barts185
    @barts185 12 лет назад

    If you do this, be consistent with which card you show. If they say 5, and you count to 4 and then show the 5th card, make sure they do the same. If you're showing the card AFTER the number they say (so they say 5, and you count to 5 and then show the 6th card), make sure you put that (6th) card on top of the pile before you put it back on the deck, or it will be off by 1 card.

  • @Strife159Highloch
    @Strife159Highloch 12 лет назад

    He said twelve the same time I did. Sacred the shit out of me.

  • @MagiCorium
    @MagiCorium 12 лет назад

    "And then their brain blows up" glad I watched it to the end

  • @MrMollusk7
    @MrMollusk7 11 лет назад

    The magic in magic doesn't lie in fully in the mystery. While it does play a major part in small tricks, everyone knows there's no such thing as magic, and even if you know how the trick's done, you can still be impressed by the execution of the trick.
    This is why Penn and Teller are amazing and Criss Angel is terrible.

  • @Edawan00
    @Edawan00 12 лет назад

    "... and then brain blows up"
    and then you have to clean up that mess and try to explain yourself to the police.

  • @Swordfishstick
    @Swordfishstick 11 лет назад

    You could say something like - "you know... I can't believe it didn't work the first time, maybe I just counted wrong - let's try the 10 again". :)

  • @oexnorth
    @oexnorth 12 лет назад

    Brady
    Have you seen this trick?
    With the same deck, count half of them out face up and remember the 7th card. Pick this half up and put on the bottom of the deck that you didn't count out. Take the first card off the top and lay it down face up. If it's a 2-9, count out cards one by one face down to reach 10. If it is anything else, that card has a value of ten and no need to count out more. Add up the 3 cards facing up and count that out on the remaining deck. The last card will be the 7th.

  • @L00NGB00W
    @L00NGB00W 12 лет назад

    Then the second rule would apply.
    The 8 ♦ would become the 52nd card.
    So you ask for another number..... say 12.
    Then you place the stack of 12 on the bottom of the deck.
    The difference is 40. And 8♦ will be the 40th card. ;)

  • @naruto4100
    @naruto4100 12 лет назад

    that was the best thing ive ever seen as a comment reply

  • @RandomGuy1606
    @RandomGuy1606 12 лет назад

    My favourite mind blown maths card trick.... If i pre-arrange a deck so that the colour of the suit alternates between black and red the whole way through. If i perform a single "riffle shuffle" on the deck, what is the probability that each pair i draw from the top of the deck will contain one black card and one red card? HINT the answer is 1 :) every pair will consist of 1 black and red card even though the deck has been shuffled.

  • @NebulousPendulum
    @NebulousPendulum 11 лет назад

    I had a deck of cards and was doing this with him. I was shuffling the cards as he was explaining what to do if they pick 1 or 0, and i flipped over the top card at the exact same time as he did. It was the 8 of diamonds.
    My brain blew up.

  • @michaelsports8970
    @michaelsports8970 2 года назад +1

    When asked to pick a number between 1 and 10 or some larger number, I always go with 2π

  • @tomcatuk
    @tomcatuk 12 лет назад

    Of course I'm still watching!

  • @DavidWhiteOfFleet
    @DavidWhiteOfFleet Год назад

    RUclips subtitles had you saying "math card trick". I had to check. Thankfully RUclips got it wrong.

  • @maplelegend1
    @maplelegend1 12 лет назад

    I love one of your tricks where the final 3 cards remaining are the spectator's cards.

  • @wewwjon
    @wewwjon 12 лет назад

    this is the sickest trick ever! i've got to use it on my friends that always do card tricks on me!

  • @abi_wasabi.
    @abi_wasabi. 11 лет назад

    9:37...face I made when somebody tried this trick on me. Lol

  • @Joebell2412
    @Joebell2412 12 лет назад

    you're gonna look like john cleese when you're older... with a moustache

  • @Genet1xProductions
    @Genet1xProductions 12 лет назад

    AGH I almost thought the video was gonna end at 4:30! Thanx for another awesome video Brady :D and Matt for the cool trick.

  • @DaKnightsofawesome
    @DaKnightsofawesome 11 лет назад

    That's the perfect end face

  • @friesotje
    @friesotje 11 лет назад

    That end was genius.

  • @browneye1968
    @browneye1968 5 лет назад +1

    I'm still watching in 2019

  • @MrComaToes
    @MrComaToes 12 лет назад

    The BETTER option would be to have them give you a number (12, lets say) count them out "oh, that's not the card, let me try that again, I may have miscounted" "You said the 12th card, right?" Count them again and voila, it's the 12th card.

  • @kizalia
    @kizalia 11 лет назад

    Yes, from Perth.

  • @loqiloqi
    @loqiloqi 12 лет назад

    For the demonstration, you should've kept the eight of diamonds face-up and laid the cards out with visible edges.

  • @LRFLEW
    @LRFLEW 12 лет назад

    While you're waiting for the numberphile video, try to figure out how this number relates the the rubik's cube:
    8! * 3^7 * 12!/2 * 2^11

  • @bolerie
    @bolerie 12 лет назад

    Numberphile answering a question from mismag822? So much number-explaining has never been seen!

  • @kylejack2
    @kylejack2 12 лет назад

    I was honestly thinking 12 before he said it haha. Great trick.

  • @calciumgoodness4073
    @calciumgoodness4073 10 лет назад +5

    End then their brain blows up. ie. use on enemies.

  • @IceMetalPunk
    @IceMetalPunk 11 лет назад

    Makes searching for Numberphile videos easier.

  • @MrSamuel745
    @MrSamuel745 12 лет назад

    It does. First it becomes the second card, then it is the card right after the first, and so you win.

  • @melf9272
    @melf9272 11 лет назад

    That's really neat folding

  • @VenetinOfficial
    @VenetinOfficial 11 лет назад

    i laughed at the face at the end XD

  • @vandewaeterethomas
    @vandewaeterethomas 12 лет назад

    Maybe the next video about the number e (Euler's number)?
    That would be great!

  • @honscha
    @honscha 11 лет назад

    Simple as fuck, and yet my mind has been blown

  • @ragnkja
    @ragnkja 12 лет назад

    A bunch of them? It seems I have a lot to look forwards to! :D

  • @Ramotick
    @Ramotick 12 лет назад

    LOL The ending

  • @thanksfordoxingpeopleyoutube
    @thanksfordoxingpeopleyoutube 12 лет назад

    what would you do if they double the first number to get the second e.g 12 as first and then 24 as second. the difference is equall to a number allready said and will show the the order has changed

  • @wouhoulifeisamazing
    @wouhoulifeisamazing 12 лет назад

    Magicians do that a lot: Oh, I failed I'm such a fool. Let's try that again, omg, I'm really bad right? But wait a second, take the difference between your two choices, which card do we find? And what was my prediction? And then the audience goes all Woaaaah !

  • @lesslandsaddicted
    @lesslandsaddicted 11 лет назад

    "...and then their brain blows up" lmao.

  • @NoName-lh8ng
    @NoName-lh8ng 8 лет назад

    just when he wrote down his prediction the bottom card of my deck showed exactly that card after shuffling it

  • @arawtgabi
    @arawtgabi 12 лет назад

    Thanks for the trick... time to blow my 10 year old's mind away... Math rules the world!!!!

  • @iDoNothingbutComment
    @iDoNothingbutComment 11 лет назад

    I tried this on my brother using the Joker card on top, and he picked the number 8, since there's 2 jokers, the 2nd one happened to be the 8th card down.. and I felt like a god.

  • @SolarWebsite
    @SolarWebsite 12 лет назад

    How can a video have 952 likes and just 301 views?!? The video deserves the likes, don't get me wrong, just wondering.