Can you solve the time travel riddle? - Dan Finkel

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  • เผยแพร่เมื่อ 3 ธ.ค. 2018
  • Practice more problem-solving at brilliant.org/TedEd/
    Solution to bonus riddle: brilliant.org/TedEdTimeTravel/
    Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules to create a new portal to open a doorway through time. Can you take the right amount of nodules to get back to the present before the portal closes? Dan Finkel shows how.
    Lesson by Dan Finkel, directed by Artrake Studio.
    Thank you so much to our patrons for your support! Without you this video would not be possible: fatima kried, Begum Tutuncu, Lala Arguelles, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, ReuniteKorea, Venkat Venkatakrishnan, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Edla Paniguel, Anna-Pitschna Kunz, Tim Armstrong, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Ken, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Danny Romard, Yujing Jiang, Stina Boberg, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovič, Chris Adriaensen, Lowell Fleming, Sunny Patel, Vijayalakshmi , Uday Kishore, Aidan Forero and Leen Mshasha.

ความคิดเห็น • 2.9K

  • @TEDEd
    @TEDEd  5 ปีที่แล้ว +794

    Get the solution to the bonus riddle here: brilliant.org/TedEdTimeTravel/! Also, the first 833 of you who sign up for a PREMIUM subscription will get 20% off the annual fee. Riddle on, riddlers!

    • @victora73
      @victora73 5 ปีที่แล้ว +7

      TED-Ed pls make more riddles

    • @yorelyoung6407
      @yorelyoung6407 5 ปีที่แล้ว +44

      The answer is yes. It will always be 2.

    • @RiteshNEVERUNIFORM
      @RiteshNEVERUNIFORM 5 ปีที่แล้ว +3

      I would take 7 and place it 1 at centre of the 6 nodules.!! Of cource 6 will be the minimum number.

    • @MatthewSmith-wx9wy
      @MatthewSmith-wx9wy 5 ปีที่แล้ว +5

      TED-Ed is way too hard with their riddles!

    • @IvanIvanov-ui9ow
      @IvanIvanov-ui9ow 5 ปีที่แล้ว +1

      Check my page for ideas to your next travel destination instagram.com/travellgoal/

  • @Gdf353bgy
    @Gdf353bgy 4 ปีที่แล้ว +7371

    *Bold of you to assume that I'm helping this guy out*

    • @sometimessnarky1642
      @sometimessnarky1642 4 ปีที่แล้ว +316

      An intern no more! He's playing Jurassic park and your writing your thank you speech for the Nobel prize you are about to receive for time travel technology.

    • @tabitha9723
      @tabitha9723 4 ปีที่แล้ว +305

      Anyone who “accidentally” falls through a time portal can’t be trusted

    • @itram99
      @itram99 4 ปีที่แล้ว +94

      imagine how rich you'd be if you sell his laboratory

    • @neutralpie420
      @neutralpie420 4 ปีที่แล้ว +8

      I want to like this comment but it has 420 likes. Please keep it at 420 likes.

    • @scribbler_crowe
      @scribbler_crowe 4 ปีที่แล้ว +31

      *Well yes, my text IS bold*

  • @kroniclenonicle9100
    @kroniclenonicle9100 3 ปีที่แล้ว +4203

    "You only have one minute to go in the portal"
    *alright then...lemme spend 3 minutes thinking about it*

    • @user-ht1vg5we2p
      @user-ht1vg5we2p 3 ปีที่แล้ว +122

      Or you take your time thinking, and, when you figure it out, you make another potal to travel back to when the portal connecting to the professor was open, and then save him

    • @MDHUSSAIN-my7rh
      @MDHUSSAIN-my7rh 3 ปีที่แล้ว +15

      @@user-ht1vg5we2p Epic🤣

    • @gobbyli6118
      @gobbyli6118 3 ปีที่แล้ว +18

      Portal: Ok, I can wait for 30 seconds more

    • @calmingmom1196
      @calmingmom1196 3 ปีที่แล้ว +19

      You just grab all of them and make a bunch of triangles no matter what at least one of them is going to have a pure triangle then you take the rest back in the past so that way it's going to be very simple to get there and back seriously you bring all of them there's a good chance that if you just use three of them for each portal you're going to get one eventually

    • @witherbomb47
      @witherbomb47 2 ปีที่แล้ว +1

      Definitely caught in a time warp

  • @Grapes-nk2vk
    @Grapes-nk2vk 3 ปีที่แล้ว +3103

    Step one: confirm you have green eyes
    Step two: ask the nodules to connect correctly so you can leave.

    • @AbhishekKumar-uu4uj
      @AbhishekKumar-uu4uj 3 ปีที่แล้ว +23

      Reference please ?

    • @agenti4734
      @agenti4734 3 ปีที่แล้ว +164

      @@AbhishekKumar-uu4uj it is from one of the older riddles. The riddle consisted of people with green eyes and to escape. They needed to have green eyes but they didn't know they had green eyes

    • @AbhishekKumar-uu4uj
      @AbhishekKumar-uu4uj 3 ปีที่แล้ว +8

      @@agenti4734 thank you

    • @rejanesalgueiro2264
      @rejanesalgueiro2264 3 ปีที่แล้ว +46

      This meme is getting really annoying

    • @sudoornator3000
      @sudoornator3000 3 ปีที่แล้ว +18

      Step three cover yourself in oil

  • @Gameknight2169
    @Gameknight2169 3 ปีที่แล้ว +2228

    Of course, the hexagon is still the bestagon.

  • @sahilhussain7328
    @sahilhussain7328 5 ปีที่แล้ว +2630

    How does one ACCIDENTALLY fall through a time vortex?

    • @abigailc8829
      @abigailc8829 5 ปีที่แล้ว +206

      And how does one ACCIDENTALLY add deadly lasers to ants?

    • @axelfirekirby
      @axelfirekirby 5 ปีที่แล้ว +53

      weird al once accidentally stepped into a alternate dimension

    • @PrincessAshley12
      @PrincessAshley12 5 ปีที่แล้ว +11

      Hot tub time machine

    • @theivoryguy2476
      @theivoryguy2476 5 ปีที่แล้ว +42

      @@abigailc8829
      How does one not know what their eye color is?

    • @squid_cake
      @squid_cake 5 ปีที่แล้ว +19

      Sain 7417 I ordered a pizza and got a time vortex instead, what's your point

  • @GMPStudios
    @GMPStudios 5 ปีที่แล้ว +6286

    Now I understand why there were exactly 6 infinity stones

    • @carastark9163
      @carastark9163 5 ปีที่แล้ว +230

      6 is the new 42

    • @JrKid-jb3vm
      @JrKid-jb3vm 5 ปีที่แล้ว +179

      Perfectly balanced

    • @GMPStudios
      @GMPStudios 5 ปีที่แล้ว +71

      @@JrKid-jb3vm but it cost Everything 🙃

    • @GalluZ
      @GalluZ 5 ปีที่แล้ว +45

      Conclusion: Thanos will win against Captain Marvel.
      lol xd

    • @lanceleynes5862
      @lanceleynes5862 5 ปีที่แล้ว +10

      XD

  • @joanne3330
    @joanne3330 3 ปีที่แล้ว +305

    0:14 love how I just casually watch as my boss "accidentally" steps through a time portal

    • @marcusscience23
      @marcusscience23 2 ปีที่แล้ว +17

      This is the part where you just throw the 6 chrononodules through the portal for him, and don’t step through yourself.

  • @halfofabucket1346
    @halfofabucket1346 4 ปีที่แล้ว +168

    "Your internship at Ramsay's physics lab has been amazing."
    Also me: *tries to put the apple in the square slot*

  • @ShauryaSingh-ts2oc
    @ShauryaSingh-ts2oc 5 ปีที่แล้ว +4724

    Can't I just throw the box of nodules in the portal so that the professor figures out himself ?

    • @aljhungwapo
      @aljhungwapo 5 ปีที่แล้ว +458

      Oooorrrrrr maybe the portal is kinda two way? If the portal isnt close yet maybe the professor can just jump back?

    • @kudoamv
      @kudoamv 5 ปีที่แล้ว +463

      The assumption contradicts the solution to the problem, you guys are good.
      Spotted the loophole.

    • @thomashaines3182
      @thomashaines3182 5 ปีที่แล้ว +15

      @@kudoamv thanks

    • @masonmatt2145
      @masonmatt2145 5 ปีที่แล้ว +169

      Keep in mind that the professor could be dead already when you step through, although a slim chance, making your rescue mission pointless, even if you can get through.

    • @maximilianopena
      @maximilianopena 5 ปีที่แล้ว +87

      Can't just bring three modules and throw those together until colors match?

  • @linali6865
    @linali6865 5 ปีที่แล้ว +2531

    *tells riddle*
    me: uh 6?
    *says answer is 6*
    me: IM SO FREAKING SMART

    • @thatafricanboii
      @thatafricanboii 4 ปีที่แล้ว +86

      I just said 6 cuz 3x2

    • @samissmart2407
      @samissmart2407 4 ปีที่แล้ว

      Txc rags same but I did a little more thinking

    • @justin4514
      @justin4514 4 ปีที่แล้ว +1

      @@thatafricanboii me too

    • @francischong5804
      @francischong5804 4 ปีที่แล้ว +2

      Omg, I am glad I have not wrote this comment yet because it was my first time solving this question successfully and getting correct.

    • @mylenefrancisco888
      @mylenefrancisco888 4 ปีที่แล้ว

      Lina Li Same

  • @yanagelfand4337
    @yanagelfand4337 2 ปีที่แล้ว +123

    I went from the opposite and tried to find a way to AVOID same-color triangles. The fact that a hexagon is symmetric made it easier. So I tried different combinations of the two colors on the outline (there are only three). All the times I stumbled across two rays of the same color from the same vertex, I added the third line of the different color (worst case scenario). And all the times it eventually led to a triangle. With a triangle, a rectangle and a pentagon the same strategy led to "winning" (there is a way not to form a triangle), so I increased the quantity of vertexes until I found out that a hexagon doesn't work like that, so it should be the correct answer. The bonus riddle works the same way.
    I see that this way is less logical and more intuitive, but for me it was easier to actually see how it can play out.

  • @Tippex_Official
    @Tippex_Official 4 ปีที่แล้ว +110

    0:09 if he’s called Ramsey, I assume he rants at his workers
    Also, here’s the solution:
    1. Bring all the nodules,
    2. Make tons of 3 node triangles till you get what you want

    • @LocalPlagueDoc
      @LocalPlagueDoc 4 ปีที่แล้ว +6

      1:04

    • @meco7956
      @meco7956 3 ปีที่แล้ว +10

      @@LocalPlagueDoc never said they one portal affects others

    • @autumnveir1168
      @autumnveir1168 3 ปีที่แล้ว +19

      3. Say you have green eyes.
      4. Ask the professor to leave.
      5. If you have been questioned about his whereabouts, just reply "OZO"

    • @zForce4
      @zForce4 3 ปีที่แล้ว +3

      Or you could just never get one and stuck in history forever
      Just like how I never get good teammates when solo Q for anygame

    • @Tippex_Official
      @Tippex_Official 3 ปีที่แล้ว +3

      @@zForce4 assuming each line has a 50% chance to be red or blue, then there is a 1/4 chance you get a working triangle. If there are, say, 100 nodes in a box, then you would get about 25 working portals.
      At least that’s the estimate.

  • @hafsa7951
    @hafsa7951 5 ปีที่แล้ว +2351

    This guy has an amazing voice

    • @merc6666
      @merc6666 5 ปีที่แล้ว +49

      Ikr its so soothing

    • @MichaelAury
      @MichaelAury 5 ปีที่แล้ว +91

      Yea he’s my favorite Ted Ed narrator. He has a very clear pronunciation and his voice has the perfect tone for educating. Not too cold and not too friendly.

    • @blankname6657
      @blankname6657 5 ปีที่แล้ว +32

      Check him out, his name is Addison Anderson.

    • @hafsa7951
      @hafsa7951 5 ปีที่แล้ว +1

      Dragon Slayer thanks, I will

    • @minakshieco1
      @minakshieco1 5 ปีที่แล้ว

      IKR

  • @capertillar4634
    @capertillar4634 4 ปีที่แล้ว +1367

    3:38
    Just grab him through, you have long enough arms

  • @neerajnandan3519
    @neerajnandan3519 2 ปีที่แล้ว +51

    I like how Ted ed says time travel riddle and just makes us learn geometry

  • @abhishekjain3344
    @abhishekjain3344 4 ปีที่แล้ว +47

    "Whats the minimum number of nodules"
    Me: *Take 3 and a risk also* .

  • @Tombee2
    @Tombee2 4 ปีที่แล้ว +2145

    Me: five sounds nice-No 6, 3 for 2 triangles.
    Ted-ed: the answer is 6
    Me: yes big brain time

    • @yourtypicalneighborhoodkar9605
      @yourtypicalneighborhoodkar9605 4 ปีที่แล้ว +29

      Annnnnd you most likely solved the bonus riddle

    • @lsedge7280
      @lsedge7280 4 ปีที่แล้ว +74

      Basically same as me. I was like "50% chance of red or blue for one", 3*2 = 6. Might be six.
      Big brain gang.

    • @ssmmarble9425
      @ssmmarble9425 3 ปีที่แล้ว +5

      400 like

    • @Berilia
      @Berilia 3 ปีที่แล้ว +23

      Yeah my thought process was just
      "if there's a 50% chance of getting one colour and you need three of that one colour, 6 would work"
      I know that's almost certainly completely wrong, but I got the right answer :D

    • @angeliki5135
      @angeliki5135 3 ปีที่แล้ว +3

      Actually, because of the bonus riddle and also needing to get the professor back, you'd need 12. 6 for yourself and 6 for the professor since 1 portal teleports 1 person before it disappears.

  • @stormysamreen7062
    @stormysamreen7062 5 ปีที่แล้ว +2050

    Me: * grabs six chrono nodules *
    Me: * opens portal *
    Me: * gets splinched because there *was* a chance of the portal collapsing, no matter how few you bring *
    Me: Well, fml.

    • @danielcole3508
      @danielcole3508 5 ปีที่แล้ว +36

      Hehe nice... splinched

    • @AsifIqbalR
      @AsifIqbalR 5 ปีที่แล้ว +14

      @Brianna Sloves haha... Potterhead :D

    • @danielcole3508
      @danielcole3508 5 ปีที่แล้ว +26

      @Brianna Sloves Me: realizes it would just be easier to just accio the guy through the portal
      Also me: realizes i don't have wand... cries for the next week

    • @danielcole3508
      @danielcole3508 5 ปีที่แล้ว +7

      @Brianna Sloves yes but we can't apparate through it because it's a portal. You have to go through it apparation would be like walking around instantly or only parts of you going through portal.

    • @donyasigalesin1087
      @donyasigalesin1087 5 ปีที่แล้ว +1

      Mujahid Syed same

  • @xiupingliu7343
    @xiupingliu7343 4 ปีที่แล้ว +96

    Me: Wait so how many nachos does he need?

    • @HadesKidsGang
      @HadesKidsGang 2 หลายเดือนก่อน

      get a notification. watch the video again. nice comment.

  • @jasondeng7677
    @jasondeng7677 4 ปีที่แล้ว +93

    1:41
    now he knows where the lamb sauce went

    • @mepnet
      @mepnet 3 ปีที่แล้ว +2

      Finally

  • @lukasnovella9001
    @lukasnovella9001 5 ปีที่แล้ว +1054

    2:15 I thought we were traveling through time not summoning Satan

  • @clockworkgamma
    @clockworkgamma 5 ปีที่แล้ว +768

    Just leave him and take credit for the time machine , its a win win

    • @math3000
      @math3000 5 ปีที่แล้ว +24

      Sounds good to me

    • @OJorEm
      @OJorEm 5 ปีที่แล้ว +39

      Found the psychopath lol

    • @saadawan5502
      @saadawan5502 5 ปีที่แล้ว +9

      Lmao 😂😂

    • @mr.cup6yearsago211
      @mr.cup6yearsago211 5 ปีที่แล้ว

      orange man bad

    • @martinanastacio5040
      @martinanastacio5040 5 ปีที่แล้ว +8

      no use rushing through the portal... just perfect the time machine first before rescuing the professor.
      don't want to get trapped in prehistoric era... no wifi, no pizza delivery.

  • @daveteves
    @daveteves 4 ปีที่แล้ว +32

    Thanks TedEd! Now I know how much modules I need when this problem arises.

  • @porkbork3500
    @porkbork3500 4 ปีที่แล้ว +56

    To maximise the chance of survival, you might want to bring 5 though, depending on the chance of the portal collapsing vs the chance of the nodules giving a dead arrangement

    • @PragmaticAntithesis
      @PragmaticAntithesis 9 หลายเดือนก่อน +4

      Yep, the chance of 5 failing is only 12/1024

    • @Thomas14717
      @Thomas14717 6 หลายเดือนก่อน +1

      Explain please?

  • @dailytofu7060
    @dailytofu7060 5 ปีที่แล้ว +780

    Can you solve th-
    Me: no but I'll watch

    • @ba.nguyen
      @ba.nguyen 4 ปีที่แล้ว +3

      I solved it :D

    • @anton-exe
      @anton-exe 4 ปีที่แล้ว +1

      I'm kinda smart but I always just like to see how to solve it.

    • @majoan8178
      @majoan8178 3 ปีที่แล้ว

      Hahahahaha, yeah😉

    • @JBCIssac
      @JBCIssac 3 ปีที่แล้ว +2

      When people describe you as smart, but you can’t solve the TedEd riddles...

    • @jongoagr9277
      @jongoagr9277 3 ปีที่แล้ว

      Me and you,we have a lot in common.

  • @channyt8818
    @channyt8818 5 ปีที่แล้ว +949

    *When you finally got a riddle right even though you guessed*

  • @mansidugar6781
    @mansidugar6781 4 ปีที่แล้ว +22

    Ted-Ed: " Can you-"
    Me : " NO!"
    Ted-Ed : " But- "
    Me : " Well I'm gonna see the video anyway "

  • @cosmicbrambleclawv2
    @cosmicbrambleclawv2 3 ปีที่แล้ว +8

    I like how the return portal just conveniently takes us back to the right time xD

  • @FFjean
    @FFjean 5 ปีที่แล้ว +1955

    I randomly guessed that 6 is the answer so that means im a legit scientist

    • @tristanreyes8590
      @tristanreyes8590 5 ปีที่แล้ว +13

      Me too

    • @ayooshiyer8621
      @ayooshiyer8621 5 ปีที่แล้ว +6

      I am the sixth liker

    • @oxen_nyx
      @oxen_nyx 5 ปีที่แล้ว +4

      42 :V Same XD

    • @merc6666
      @merc6666 5 ปีที่แล้ว +48

      Lol same i was like um 3 x 2 is 6 so 6 is the answer....?

    • @thatfacewhenyoucheatedandg3957
      @thatfacewhenyoucheatedandg3957 5 ปีที่แล้ว +4

      My favourite kookies are suga kookies. THAT IS WHAT I Did XD and also HI ARMY

  • @finris1
    @finris1 5 ปีที่แล้ว +737

    The bonus riddle: there will always be at least 2 triangles with same color sides. Take the possible colors extending from 1 nodule as in video.
    (1) If there are 5 or 4 blue sides (or 0 or 1 as that is just 5 or 4 red sides with the same result just with opposing colors), then there are at least 2 sets of 3 sides that will result in a portal like in the first riddle.
    (2) For the case of 2 or 3 blue/red sides, there will be 1 set of 3 sides that will create a portal as in the first riddle, and there will be sides between the nodules that could be either color and not create a portal. Pick a side as either blue or red (which doesn’t matter), and then fill in the remainder to try to prevent a portal. Another portal will always form no matter which initial side you pick.

    • @milx7210
      @milx7210 3 ปีที่แล้ว +86

      Im not going to read that im just gonna assume you're correct

    • @TheBloodsuger150
      @TheBloodsuger150 3 ปีที่แล้ว +33

      Or:
      Start with the triangle we know forms, let’s say it’s red.
      We know any ‘out of triangle’ node can’t be connected to the 3 ‘triangle nodes’ with 2 red lines, because that would make a red triangle, so at least 2 of their connections to the triangle are blue.
      If every out of triangle node has 2 blue connections to the triangle, 2 out of triangle nodes must share at least one vertex of the triangle that they both have a blue connection to.
      If this is true, out of triangle nodes can’t connect to each other with blue lines, or they’d make a blue triangle with that shared node.
      But if all out of triangle nodes are connected with red lines, they’d make a red triangle between the three of them.
      So there is no solution without at least 2 triangles.

    • @jatarokemuri4549
      @jatarokemuri4549 3 ปีที่แล้ว +8

      cant we apply the argument in the video to all the points and say that by symmetry, there will always be 2 portals form, and going futher and say that at least 6 portals always form?

    • @ryanburkett949
      @ryanburkett949 2 ปีที่แล้ว +5

      @@jatarokemuri4549 We can't say 6, cause the triangles formed by some of the points may be ones we already counted as formed from the first point. But we can make sure of at least 2 by using one of the nodules not used in the first 4 and doing a symmetry argument.

    • @marcusscience23
      @marcusscience23 2 ปีที่แล้ว +6

      Or we could just throw the 6 chrononodules through the portal (without actually stepping through it) and have the professor connect them himself. Skipped the bonus riddle, only need 1 portal to work.

  • @leninsamson3847
    @leninsamson3847 ปีที่แล้ว +17

    with the bonus riddle just bring 12 nodules and leave the other 6 for yourself or the professor, depending on who goes first

    • @Justifier925
      @Justifier925 ปีที่แล้ว

      The argument can always be that you were too late and your rushed decision came to this

  • @sonny8085
    @sonny8085 4 ปีที่แล้ว +17

    I think the lesson here is that if you have an active time machine turned on in your lab, you should be more careful while wandering around.

  • @shettysrjan30
    @shettysrjan30 5 ปีที่แล้ว +620

    00:15 =professor has fallen into a time hole and i have to go in through the same time hole to save him
    03:52= A Given portal can transport ONE PERSON before it closes

    • @jasondeng7677
      @jasondeng7677 4 ปีที่แล้ว +8

      bruhhhh

    • @daerdevvyl4314
      @daerdevvyl4314 4 ปีที่แล้ว +45

      Srjan Shetty In the BONUS QUESTION, not the MAIN QUESTION. Pay attention.

    • @lilchristuten7568
      @lilchristuten7568 4 ปีที่แล้ว +28

      00.17 you have just a minute to go through the portal.
      Explanation takes more than a minute.

    • @medexamtoolsdotcom
      @medexamtoolsdotcom 4 ปีที่แล้ว +16

      Yeah really, you should have just thrown the 6 modules through the hole and stayed in the future yourself.

    • @daerdevvyl4314
      @daerdevvyl4314 4 ปีที่แล้ว +4

      lil chris tuten But the character doesn’t need to explain it. Are you telling me that you can’t figure something out faster than you can explain it to someone? Because I definitely can.

  • @farisakmal2722
    @farisakmal2722 5 ปีที่แล้ว +1278

    The nodules are fkin *raw* !
    Okay wrong Ramsay

    • @kln.b5631
      @kln.b5631 5 ปีที่แล้ว +27

      WHEREZ THE LAMB SAAAAAAUUUUUCEEEEEEE !???

    • @farisakmal2722
      @farisakmal2722 5 ปีที่แล้ว +5

      Thanks for all the likes😁

    • @jessezong2507
      @jessezong2507 5 ปีที่แล้ว +7

      WHERES THE LAMB SAUCE

    • @owlesent
      @owlesent 5 ปีที่แล้ว +8

      COME ON SUSAN

    • @PrincessAshley12
      @PrincessAshley12 5 ปีที่แล้ว +7

      Nino would've made sure it wasn't raw, and have pictures to prove it.

  • @EnderIzzy124
    @EnderIzzy124 2 ปีที่แล้ว +19

    Other idea, throw 6 chrono nodules through instead of you going through yourself. Presumably, the lab would have some sort of protocol for this sort of thing on the offchance of an accidental exposure, and assuming the portal always exits at the same place, all the doctor would have to do is wait for his return trip to arrive.

    • @SpellProgrammer
      @SpellProgrammer 6 หลายเดือนก่อน

      What happens if the professor walks away? We already know he's got a tendency to wander without looking where he's going, and he was reading a paper when the accident happened. Who's to say that he didn't realize what happened and just kept walking? Besides, the nodules are very small, and could be crushed by large dino feet very easily. It's not a bad idea, but there's too many things that could go wrong. Better to be there to mitigate as many problems as you can.

  • @louisedriscoll3227
    @louisedriscoll3227 ปีที่แล้ว +3

    Ted ed:your boss is trapped in time
    Me:🎵arms of an angel🎵

  • @gamerx7053
    @gamerx7053 5 ปีที่แล้ว +459

    OMG I can’t believe I finally got one of these riddles right. This was a good one!

    • @shanematthews1985
      @shanematthews1985 5 ปีที่แล้ว +3

      I know right, this one was actually kind of obvious though i guess?
      That or we're both just really geared towards understanding this sort of problem >.

    • @XCM666
      @XCM666 5 ปีที่แล้ว +9

      I hate to be *that* guy, but still: Maybe you both lucked out, as the range of sensible options is pretty small here. If you didn't solve it the way the video explains, then make that a probably.
      So how did you come up with 6 as your solution?
      I got it wrong. I intuitively thought the answer was 5 (as 3 out of 5 lines have to be the same color). I had the right idea, but didn't think it through (you require a sixth nodule to take advantage of this circumstance).

    • @shanematthews1985
      @shanematthews1985 5 ปีที่แล้ว +3

      My instinct was that 6 would essentially give you a 6 pointed star, given that there were only 2 possible colour combinations 6 seemed like the mathematical choice given 2x3 and the layout giving you multiple points of contact

    • @t_kon
      @t_kon 5 ปีที่แล้ว

      @@XCM666 by noticing that you'll need at least 3 edge of the same color to know it's possible (this one...is rather instict), then by php you'll need a minimum 5 edges connected to each vertex. Since it's a complete graph, hence n = 6 is the answer

    • @kokorondeficit
      @kokorondeficit 5 ปีที่แล้ว

      GamerX705 wait so you didn’t solve the robo ants riddle it had the most obvious answer you dont even need to guess it

  • @ShiaTheBunnyGirl
    @ShiaTheBunnyGirl 5 ปีที่แล้ว +970

    Answer: bring 12 nodules and use 6 per portal so both can escape time
    Easy peasy
    Lemon sandwich

    • @dam8944
      @dam8944 4 ปีที่แล้ว +10

      Pokefan Alolagaming but u only brought with u 6 or u could just go through at the same time

    • @nowonmetube
      @nowonmetube 4 ปีที่แล้ว +38

      Lemon sandwich??? I've never heard of that!

    • @LumaLinaAndRosa
      @LumaLinaAndRosa 4 ปีที่แล้ว

      Me too

    • @spoonythegamer21
      @spoonythegamer21 4 ปีที่แล้ว +1

      LegendAdam09 if they brung 2 portals then they both go in each with 6 nodules giving them the same chance

    • @kewmiemie1091
      @kewmiemie1091 4 ปีที่แล้ว +5

      @@spoonythegamer21 brung
      I wonder what brung means

  • @whatisthis2809
    @whatisthis2809 4 ปีที่แล้ว +7

    Take a bunch and calculate when you get there, bring the extra back.

  • @billnoonan5928
    @billnoonan5928 3 ปีที่แล้ว +3

    “You have one minute to go through the portal” Me calculating wether or not I can call ted Ed in that amount of time

  • @destux
    @destux 5 ปีที่แล้ว +442

    Never though Gordon Ramsay was a time traveler

    • @NA-ue1tv
      @NA-ue1tv 5 ปีที่แล้ว +20

      His dishes even satisfied them for the stone age.

    • @mikostubborn
      @mikostubborn 5 ปีที่แล้ว +6

      Been looking for this comment lol

    • @SreyaSanghai
      @SreyaSanghai 5 ปีที่แล้ว +4

      His first name and last name, both contain six letters..

    • @destux
      @destux 5 ปีที่แล้ว

      @@SreyaSanghai Hey Ted Ed I found a much quicker solution over here

  • @AN-ou6qu
    @AN-ou6qu 4 ปีที่แล้ว +47

    0:20 YO this scene is GORGEOUS!

    • @Gallarday
      @Gallarday 2 ปีที่แล้ว +1

      Oh wow it is
      Reminds me of a game.

  • @ceceoneill2517
    @ceceoneill2517 4 ปีที่แล้ว +4

    Me going through probability this year:
    finally knows the answer to a ted ed riddle

  • @subagaming2075
    @subagaming2075 4 ปีที่แล้ว +1

    My first riddle i ever solved on this channel.

  • @Xzcouter
    @Xzcouter 5 ปีที่แล้ว +220

    Hey! I personally love this video cause I am a undergraduate math student and currently am basing off my research on this exact field of math (Ramsey Numbers of Graphs)!

  • @BobMcCoy
    @BobMcCoy 5 ปีที่แล้ว +268

    *It took me some **_time_** to solve this riddle*

    • @av.keshavshastry7785
      @av.keshavshastry7785 5 ปีที่แล้ว +1

      True, it took me an hour but I did solve it!

    • @av.keshavshastry7785
      @av.keshavshastry7785 5 ปีที่แล้ว +2

      Wow, i went through each case to solve, elegant solution!

    • @gavinrand8368
      @gavinrand8368 5 ปีที่แล้ว +1

      _Bob McCoy *lisa Guerrero would confront the time*
      I spelled that wrong didn’t I

    • @faznapkin1631
      @faznapkin1631 5 ปีที่แล้ว

      no *get out* 😂

    • @ninaelmoyan3478
      @ninaelmoyan3478 5 ปีที่แล้ว +1

      Bud Dum CRASH

  • @user-ph3wx3cr7j
    @user-ph3wx3cr7j 3 หลายเดือนก่อน

    I love these videos SOOOOOOOOOOOOOOOOOOOOO MUCH!!!!!!! I love how in each video there is a different art style!

  • @nazneenshereef7522
    @nazneenshereef7522 4 ปีที่แล้ว +24

    How many nodules will u take?
    Me: 6 cuz we can make two triangles with it (lol)
    The only possible answer is 6
    Me jumping around screaming: MOM get in here!!!! Ur daughter is smart😎!!!

  • @Mr6Sinner
    @Mr6Sinner 5 ปีที่แล้ว +129

    He went through the portal to figure out where the lamb sauce is.

  • @sssssarthak
    @sssssarthak 5 ปีที่แล้ว +229

    No, but still i'll watch and not understand the solution too.

    • @msy6864
      @msy6864 5 ปีที่แล้ว +1

      Yea I can't think of an answer

  • @bborders135
    @bborders135 2 ปีที่แล้ว

    This is the first time I’ve got one of these right, and it was a straight up guess.

  • @a.iraven3922
    @a.iraven3922 2 ปีที่แล้ว

    I solved almost every riddle on your channel easily and all it took was time and I figured it out

  • @ogeecheelime8868
    @ogeecheelime8868 5 ปีที่แล้ว +716

    Why are you scrolling through comments? We both know you should be studying.

    • @cristianlicea6350
      @cristianlicea6350 5 ปีที่แล้ว +9

      😭

    • @waqqas6799
      @waqqas6799 5 ปีที่แล้ว +7

      Im at school rn lol

    • @_bum_bunny_
      @_bum_bunny_ 5 ปีที่แล้ว +12

      Stooopp, I have two essays I have to do that I'm trying not to think about

    • @hecko-yes
      @hecko-yes 5 ปีที่แล้ว +9

      i _am_ studying

    • @sketchyskies8531
      @sketchyskies8531 5 ปีที่แล้ว +1

      At school (lunch) rn

  • @Silvergrooves42
    @Silvergrooves42 5 ปีที่แล้ว +17

    I'm super happy that my super quick solution turned out to be the correct one. I reasoned that if you had one stone as origin point and had random lines coming out, you needed to add enough stones for there to be 3 of a colour, since even if they didn't get the original color, they would still make a triangle. 6 it was

  • @anonymus3219
    @anonymus3219 3 ปีที่แล้ว +2

    I was able to solve this because I had successfully solved the famous "what's the minimum number of socks u need to take out a drawer at random to make a pair if the drawer contains an equal amount of blue and red socks"

  • @misterbrick4276
    @misterbrick4276 2 ปีที่แล้ว +2

    3:52 then how did we go through the same portal as the professor to get here

  • @fotinipapacharalampous5596
    @fotinipapacharalampous5596 5 ปีที่แล้ว +35

    Can you solve the time travel riddle? Off course I can't, but let's give it a try!

  • @dhiibvulk9036
    @dhiibvulk9036 2 ปีที่แล้ว

    I went with the route of thinking through all possible combinations, not the best choice but it does work.

  • @PrunselClone
    @PrunselClone 4 ปีที่แล้ว +2

    Me: *grabs entire box*
    Also Me: *gets back*

  • @alex0125tw
    @alex0125tw 5 ปีที่แล้ว +126

    I love TedEd riddles

    • @BytezBich
      @BytezBich 5 ปีที่แล้ว

      @Unbreakable Patches what

  • @davidwallerstein3113
    @davidwallerstein3113 5 ปีที่แล้ว +139

    Ahaha I just chose 6 because it's two triangles together
    surprised i was correct 😂

    • @pixellover2795
      @pixellover2795 5 ปีที่แล้ว +1

      we all did

    • @coolsauce7771
      @coolsauce7771 5 ปีที่แล้ว

      Same

    • @TheThiccestChungus
      @TheThiccestChungus 5 ปีที่แล้ว

      exactly like a cat

    • @mmrow1634
      @mmrow1634 5 ปีที่แล้ว

      This is not a bad way to get an upper bound on the minimum for any kind or combination of polygons ("portals") formed by nodes ("chrono nodules") either.
      It's just a coincidence that for two triangles, it's also the lower bound and an achievable number.
      However for greater numbers of polygons or greater sizes of polygon, it quickly becomes extremely suboptimal, and hence Ramsey theory (amongst other areas of graph theory) that try to give better bounds or exact results.
      Or at least show that you can do it at all, is often as far as we get sometimes, too

  • @loganwingenbach3834
    @loganwingenbach3834 2 ปีที่แล้ว +1

    i would just grab as many as possible and then use them three at a time until a portal opened. this does create the chance of not getting a portal but using more than the minimum increases the chances that it immediately kills you when you try to use it.

  • @Pleaselikeandsubscribe1
    @Pleaselikeandsubscribe1 ปีที่แล้ว +3

    Imagine using all the cryo-nodules to make a time travel machine😂😂😂

  • @chinareds54
    @chinareds54 5 ปีที่แล้ว +14

    As a theoretical math problem it works, but in practice you can just bring the whole box and activate one at a time until you generate the portal. It may happen by chance with 3, 4, or 5 nodules, and if it does activate with a lower number then it would be safer than activating 6.

  • @reasatprottoy7488
    @reasatprottoy7488 5 ปีที่แล้ว +80

    Make this a series called Ted-dle

  • @petyrkowalski9887
    @petyrkowalski9887 ปีที่แล้ว

    I am busy now so coming back yesterday to solve this.

  • @rebeccavecchio4275
    @rebeccavecchio4275 4 ปีที่แล้ว +6

    Me: Ugghhhh 6?
    Ted Ed: The answer is 6
    Me: Lol this is the first riddle I got right.

  • @bobberry1463
    @bobberry1463 5 ปีที่แล้ว +45

    I guess 6 randomly does that still count

  • @MatthewSmith-wx9wy
    @MatthewSmith-wx9wy 5 ปีที่แล้ว +20

    0:12
    Until, that is, he called you a donkey and said the meat is undercooked!

  • @manavshah6831
    @manavshah6831 3 ปีที่แล้ว

    0:35 i love that sound when the sides turn blue

  • @Hydroculator
    @Hydroculator 3 ปีที่แล้ว

    Bait and switch! I was hoping for a time travel riddle, but got a geometry lesson.

  • @0Sildar0
    @0Sildar0 5 ปีที่แล้ว +37

    I was hoping for some kind of paradox riddle :(

    • @perison4611
      @perison4611 5 ปีที่แล้ว

      Is there such thing??

    • @rolliepollie941
      @rolliepollie941 5 ปีที่แล้ว

      You just predicted the future!!! th-cam.com/video/mS5eEhLN57s/w-d-xo.html
      Are you a time traveler?

    • @getoinked2818
      @getoinked2818 5 ปีที่แล้ว

      Here th-cam.com/video/mS5eEhLN57s/w-d-xo.html

  • @akshatshrivastava5947
    @akshatshrivastava5947 5 ปีที่แล้ว +7

    Thanks a lot for making riddle videos more often ❤❤

  • @Pokestar732
    @Pokestar732 11 หลายเดือนก่อน +1

    You left me on a cliffhanger,man....

  • @elementgermanium
    @elementgermanium 7 หลายเดือนก่อน +1

    Fun fact: Ramsey theory is also the source of Graham’s number!
    The original question was similar to this, but instead of triangles, the goal was a square/rectangle with an X through it, and the question wasn’t the number of nodes, but the number of dimensions a hypercube would need to have enough nodes.
    At the time, the answer was “somewhere between 6 and Graham’s number.” Which is basically the least precise statement that’s ever been seriously made.
    Nowadays, we’ve got a better idea: it’s somewhere between 13 and (2^2^2^2…) with (2^2^2^2… with 5138 2s) 2s. Which seems like a lot but compared to Graham’s number it’s basically zero.

  • @urielcastaneda761
    @urielcastaneda761 5 ปีที่แล้ว +85

    Or just bring all of them and keep throwing them until they work

    • @ratfoot6490
      @ratfoot6490 5 ปีที่แล้ว +2

      The more you bring the higher chance they have of collapsing while you are going through then.

    • @yagentblueberry1144
      @yagentblueberry1144 5 ปีที่แล้ว +2

      YOu can't win the lotteries if you don't buy the lotteries
      And the collapsing only happens when you throw them.
      Or go through them. so you argument is invalid.

    • @jasondeng7677
      @jasondeng7677 4 ปีที่แล้ว +1

      ...

  • @scarletreilly2298
    @scarletreilly2298 5 ปีที่แล้ว +4

    This is awesome! I love new riddles.

  • @FrogMan-cw2jr
    @FrogMan-cw2jr 2 ปีที่แล้ว +2

    Who else thinks the scream at 1:28 kinda sounds like toad from super mario

  • @jazz4362
    @jazz4362 2 ปีที่แล้ว

    First TED riddle I got... Yay life💜💜💜💜

  • @viperwolf1272
    @viperwolf1272 5 ปีที่แล้ว +8

    By the time i finished watching this video the window would have already closed leaving my professor stuck in history :D

  • @aylacastolo5843
    @aylacastolo5843 4 ปีที่แล้ว +6

    Just throw the whole damn box in and make the professor do the damn work of going back

  • @absolutelynot.3739
    @absolutelynot.3739 7 หลายเดือนก่อน +1

    Alternative: bring as many as you can and then calculate how many you need to use once youre through

  • @beemansri7369
    @beemansri7369 3 ปีที่แล้ว

    yes
    i love your riddles make more

  • @saumyashah7978
    @saumyashah7978 5 ปีที่แล้ว +244

    Who else is never able to solve any of these?

    • @carastark9163
      @carastark9163 5 ปีที่แล้ว +6

      This one was the only Ted ed riddle I got right cuz by brain was like "it's a 50 chance to get either a red or blue line so 3 times 2 is 6" solved it

    • @frostyblade8842
      @frostyblade8842 5 ปีที่แล้ว

      @@carastark9163 that was me too

    • @abdhullahazzam9896
      @abdhullahazzam9896 5 ปีที่แล้ว +1

      Me but I watch cause it’s interesting

    • @sadsworth4605
      @sadsworth4605 5 ปีที่แล้ว

      Me

    • @ugandanmetalsonic8879
      @ugandanmetalsonic8879 5 ปีที่แล้ว

      ME not kno da wae to solve

  • @elephantarmy2938
    @elephantarmy2938 5 ปีที่แล้ว +7

    Quickly the portal is about to close
    Gives four days to figure it out

  • @twoofee7647
    @twoofee7647 4 ปีที่แล้ว

    Now you have to consider the probability of a triangle not being complete with 5 modules vs the increase probability of portal destabilization when adding the 6th module.

  • @anonymus3219
    @anonymus3219 3 ปีที่แล้ว +3

    For a second I thought this was a brilliant sponsor 0:39

  • @crispyein8601
    @crispyein8601 5 ปีที่แล้ว +7

    0:00 the way I type is phenomenal.

  • @vincenzocontento6300
    @vincenzocontento6300 5 ปีที่แล้ว +4

    I thought about this a little differently, not sure if my thought process is correct, but it gave me the same answer. Odds of getting all red or all blue triangle with 3 nodules is 1/8 (0.5x0.5x0.5) and because extra nodules create colours mutually exclusively, all you have to do is create 8 triangles with the least number of nodules (bc 1/8 x 8 = 100%). So I was just thinking of shapes and thought octahedron has 8 triangles and just 6 nodules. Could’ve been luck, I didn’t put much thought into the shape, just first one that came to mind.

  • @YoungWizardOnDuty
    @YoungWizardOnDuty ปีที่แล้ว

    The audio clip of music + monkey sounds at 1:25 is from the point-and-click game Return To Mysterious Island. I have no idea how it ended up in this video, but that was a great moment of nostalgia for me. xD

  • @sarawheeler2672
    @sarawheeler2672 4 ปีที่แล้ว

    The sound of these nodules activating is like nail on a chalk board plus a dog whistle

  • @gregddr
    @gregddr 5 ปีที่แล้ว +3

    I like the sound of the nodules connecting and the portal working....i just dont know why...!!

  • @RawAustin
    @RawAustin 5 ปีที่แล้ว +4

    Never heard of Ramsey Theory before this, but I am somewhat familiar with basic Graph Theory. Looking at it one way, considering all the red edges yields a graph, while the blue edges form its complement. Unite them and you have a fully-connected graph, which forms the problem statement presented here. Coming to a similar conclusion to the video, for any given graph with 6 nodes, either the graph or it's complement will always contain a 3-node cycle, aka a triangle. Came to that result after a bit of brute-forcing some permutations, but hey! I got _something_ out of my Math lectures.

  • @kurumi394
    @kurumi394 3 ปีที่แล้ว +1

    Imagine going through all this just for the portal to close on you of instability

  • @brandonhenderson6356
    @brandonhenderson6356 2 ปีที่แล้ว

    Music
    explanation: calm peaceful
    Timer: sounds like the suffer of a wildfire

  • @TheAres1999
    @TheAres1999 4 ปีที่แล้ว +4

    You bring a lot of them but only use them one at a time until a portal opens. You could get lucky and only have to activate as few as three.

  • @jayfaisa6016
    @jayfaisa6016 5 ปีที่แล้ว +18

    I just guessed six... i figured 3 for red, 3 for blue... Couldn't think of a way to prove me right, though.

  • @beelzzebub
    @beelzzebub 4 ปีที่แล้ว +1

    So what’s the answer to the bonus? I think 6 modules will always create at least 2 triangles of red/blue, so should be fine right?

  • @numberonefarm2000
    @numberonefarm2000 4 ปีที่แล้ว +1

    Thanks my boss just fell through one of those