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zakruti.com » Knowledge, science, education » TED-Ed
Can you solve the time travel riddle? - Dan Finkel

Can you solve the time travel riddle? - Dan Finkel

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Rating: 4.0; Vote: 1
Your professor has accidentally stepped through a time portal in his physics lab. Youve 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
Date: 2020-08-22

Comments and reviews: 9


I went at it that made sense to me I know that if I have an interval of 3 I know that there will be at least 2 that will be the same colour but I also know that there is a chance that it wont work with only 3 so I went straight to six cause six is divisible by 3 and anything divisible by 3 has a better success rate than other numbers I went to 6 and did a drawing mapping out random lines switching from blue and red in any order I feel example b, b, r, b, r and so on and I found that every mapping always had a full colour triangle so I concluded it was 6
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Me: uh since there are 2 possibilities for each tachyon then 3x2 is 6
Video: it's 6
Me: Yes! I am actually smart!
Video: because then it will create a hexagon of colours that will always end up to create a triangle
Me: .thats what I meant to say

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Take the box, and start trying 3 nodules at a time.
There are only a few options, and the chances of you not getting a monocolor one are basically 0
Also, the profesor would tell you about the 6 module. thing whilenyou try

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actually you can never gaurantee (how da hecc do i spell that) that the portal will make a triangle because it is always possible that only the edges will be blue and everything else will be red or vice versa
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You shouldn't take 5 or 2 reasons
1: There is an arrangement that makes no triangle
2: If that happens, something worse will happen than being stuck in the past

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Cant believe I didnt realize this sooner but if 6 works because of 4 of the things then 4 is the actual minimum amount you need but then 4 is still risky so how can 6?
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Whats the minimum number of nodules? Looks at box filled with nodules.
Me: Im taking the box, doesnt mean Ill use them all but you never know what could happen.

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I pretend not to notice he went through the portal and continue on with my life until I see in the news that he's missing which is when I resign from that internship
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Can only transport 1 person before it closes no that's false you disproved it wayyy at the start when 2 scientist entered the same one
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