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Fitting a Cube Through a Copy of Itself | Rupert's Cube |
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- Опубліковано 2 гру 2017
- I'm back :)
Don't really know what to say. Just enjoy the video and let me know what you think of it:)
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Support me at:
/ think_twice
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Any further questions or ideas:
Email - thinktwiceask@gmail.com
Twitter - / thinktwice2580
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Overall render time: ~ 8 hours
Programs used:
- Cinema 4D
- Adobe Premiere Pro
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Music from Anime: Death Parade
• Most Emotional OST - M...
By the way, the largest possible shadow is shaped like a regular hexagon but the shadow in my animation is kind of irregular. My bad.
UPDATE:
some people are not so sure if this would be possible in real world, because there are some parts of the cube clipping through another one. However that is just an error I made while animating the movements of the cube, in reality there is enough space to even fit a slightly larger cube through. You can see the math and history behind it here: en.wikipedia.org/wiki/Prince_Rupert%27s_cube
Hope this clears things up
Think Twice close enough bro
A. Valentine hmm im not sure, it was probably just my error in animating because I set up that scene by hand so the placement was not perfect.
Think three times for this one then kkkkkk
You're a genius!
๖ۣۜLǝgiƬkɨłłzᎵrσ『ђeяø』 If not just by the mathematics, he is for the animations.
My engineering professor on day 1 asked us this. We all said of course it was impossible. The he shows us this example using two wooden blocks and said "dont be afraid to think unconventionally, you'll never have a revolution doing the same thing that's always been done"
That professor? Albert Einstein.
don't*
@@HandledToaster2 yeah as if only einstein has the right to be intelligent.
Then You Are Lucky
Probably the problem with how both he and this video pose the question. Asking it in a certain way can immediately imply a lot of restrictions. For example, the first hole cut in this video implied the cut can only be made in to one face and out the opposite face, not though all 6 faces as the final solution showed.
This makes more sense than the video showing a sphere that can turn inside out.
lol
Just An Edit ikr
You mean it's a lot simpler and easier to understand
Because you can pinch this one here infinitely tight. Makes shit a lot easier...
Because this one actually makes sense and is not dpendant on impossible physics
Very interesting concept. I feel slightly annoyed that at the beginning it was asking if the light cube could fit through the dark cube but at the end it put the dark cube through the light cube lol
same here
sAme
3 times 6 is 10 For the sake of my faith in humanity, I hope you’re joking. Haha
Angery
same
If I were the white cube, I would feel very violated. Having such a large hole bored into you, that huge chunk of yourself taken away, and then another guy comes and fits themself right in there.
Eurgh.
Billy Ma-gusta life is life
Nah, the other cube was just a copy of itself
God that is..... Wow
welcome to googling porn
Big black cube (BBC)
I am now woke.
That is one sexy jiggly puff...😂
*Real shit?*
I've never heard of Rupert's Cube so I had no idea where you were going. When you compared shadows, I still didn't think it was possible. And Voilà! It worked. Nicely done.
I didn't think it was possible when I first heard the problem as well
Make the whole cube a hole so the other passes right through easy
:DDD
Pretty straight forward and simple lol
It still wouldn't fit though. Since they're identical, the edges would be aligned and a hold of the same dimensions would just stop it there.
Smort
Rupert was like: "Forget thinking outside the box, I'm thinking right through it !"
Good one!
LoL
underrated comment
When you first presented the question I was like 'wtf absolutely no way', then as soon as the cubes started rotating at 0:37 and I was looking down at the point of the cube, the solution came to me. Very neat trick!
And that, son, is where octahedra come from.
I. N E E D. T O. B L E A C H. M Y. E Y E S
Casual Graphman HAIL HEDRA
What a tragic story about a kindred spirit who just wanted to fit in but needs to mutilate themself to do so. Sosad. Icryevrytim.
*gray cube has obtained silver armor*
lol
Isn't That Like Wearing The Skin Of Your Enemies?
Ty Johnson basically
Ty Johnson Why Are You Typing Like This?
Yes I was right.
At first I have no idea. Then I remembered a problem which is: how can a person pass through a small piece of paper. The solution is cut it a specific way so The it makes a large hole.
Great thinking, well done
Roman Neill Basically, cut out a shape with a very large perimeter (e.g. a very spiky star with lots of points), then cut out the interior of that shape, leaving just a thin outline. Then you can stretch that outline apart as far as the perimeter will allow you, and step through it.
Red Salmon Holy crap, I remember that from elementary school aaaaaaaaa!
Roman Neill
Because that piece of paper is significantly smaller than a person, cutting it in a “normal” way will never get you through the hole
Red Salmon i figured it out but how does your “solution” explain anything lol
0:19 - gone sexual
Congrats! Must have been a pain in the ass to compute that geometric intersection! ^_^
Patrick Apom 2 mins of CAD editing and voila that geometry is done and exported into an animation programm
Me:uhh
My math brain: it's on to you topology.
My topology brain: uhh, uhh
My topology brain:WAIT A MINUTE!
My Topology brain: If I cut a cube when it's on its left edge then I get a bit of cube on the left and right! So therefore I need to cut the cube at an angle where the left and top edges are fully visible witch means that I need to cut it from the corner!
My Math brain:(That Explanation took 5 years)
My Math brain:I need to cut it from the corner!
My common sense brain: you could have looked at the shadows...
My Math and topology brains:Oh...
Me:Why did I take that long?
Pro Odermonicon rip to your brain
@@randomguy-mx3dn which one?
this is actually so simple but so ingenious
Oh, science and math, you never cease to amaze me.
"I must go through you, brother." "Oh, ok."
Math is beautiful...
I guess that makes sense... but wouldn’t parts of the white cube essentially need to be infinitely thin to allow this? That means to have this in the real world you would ether need to make the white cube an undetectable amount larger than the other cube, or have it bulge at those points, otherwise the cube would be cut apart before the other cube would be able to fit through it...
Indeed, and if we are allowing infinitely thin sections of the outer cube then you can just cut straight through the centre as is shown at the beginning. If you actually do the maths it's not even going through the cube as it occupies the same space so the whole video is really a lie.
No, there is actually a bit of wiggle room that's kind of hard to see. You could actually cut a hole to fit a cube that is 6% larger and it will still remain one piece.
You all are assuming that the width of the rotated white cube is exactly 1, smh.
Miles L. is right, this isn't a prefect cut.
Jeremy Shuler If it can be done with a real cube, surely that would be more convincing
Andy Wright ua-cam.com/video/e3-Ta9DF4Cg/v-deo.html that wasnt too hard was it lol
Nice choice of music! I knew I recognized it from somewhere...
Herobrine . thanks, took me a while to find it..
Moonlit Night from the anime Death Parade
200 IQ Fortnite plays
underrated channel, by a lot, these videos are so calm and relaxing while also being intriguing and thought provoking, you're channel is amazing
The making of love is truly beautiful
*when turning a sphere inside out isn't enough*
Thank you Think Twice, very cool!
So great! I love all of these!
Kyle Burke thank you!
now, that's science!
I was going to skip a lot of this video, but the music stopped me from doing so.
Thanks.
It's just 2 mins tho...
Job interviewer: so what can you do?
Me:
Amazing and elegant
Oh thats think outside of the box for sure. No one expect to cut a hole from angle. Good work btw
thank you:)
THAT IS GENIUS
Perfection.
Excellent choice of music. I love that ost.
One day I will make a metal version of this, "a very cool toy". Although I will probably need three cubes and special tooling to make it. Cutting that hole in a cube is not easy task and having the hole filled is what makes all the fun if this is going to be a toy.
My mind is blown. Thank you!
Instead of making the white cube 'smaller',you removed a huge chunk from it so the grey block can pass through it. Genius
/s
thats clever, a bit of logical thinking mixed with math, amazing
Magnificent!
That was mind blowing
This is art.
Ok, now this is epic
Thank you for reminding and showing me to think outside the box.
Fabulso!!! Impresionante!!! Maravilloso, gracias por compartir
Absolute madman
This wouldn't work because if all sides of both cubes are equal, you would just end up with what are essentially the "leftovers" of cutting out enough space for the other cube to fit through. Being the exact same size, there would be nothing left connecting the additional pieces left by making the hole. In addition, a shadow changes the area it covers depending on where the light it positioned.
Mind blown 🤯!!!!!!!!!
So bootiful
Better love story than Twilight.
00:15 YES ! turn the cube so a corner is facing you and the outline is a perfect hexagon
Now cut a square hole into it
that's it
GENIUS.
im looping this and good night!!
That just blew my mind
That Death Parade music though. Good choice.
Does the hole fit exactly inside the cube (with the remaining parts just touching edges), or is there a there a “finitesimal” margin of error? It’s hard to tell.
The animation moves like surreal entertainment
This video is therapeutic
That's pretty neat.
I kinda felt like I wanted to give a standing ovation at the end lol! Never had a video that did that to me before. Maybe it was the music?
I started loving your videos 💖💖💖
okay, that was quite surprising!!
It's beautiful
That's awesome omg
When you spawn 2 cubes in Gmod but you spawned them too fast so now they're clipping into each other
Wow fits just like a cube...
I didn’t even know this was a question you could ask. Genius is more asking the right questions than it is solving them.
This is amazing
This reminds me of the times I would draw a cube in class because I was bored. Then blinking repeatedly until the cube seemed to move.
You are so genius.
at the opening when the middle of the brownish black one i thought the white could could potentially move through that hole if it were made thiner and longer and we know a copy of itself doesn't necessarily mean we're going through it like this way we're just going to thin it out to the size of the hole of the beginning though this video shows a way todo so
Very nice. The graphic design is amazing.
Your videos make COMPLEX things EASY to understand. I love your chanel. Ty
Tamir. Israel.
Thank you so much~
מוות לישראל
"MindBlown™️"
11PM: just one more video before bed
3AM:
Any machinists who have got the chops to make this? Those sharp internal corners and clamping it without folding it in half would certainly make it challenging.
No 3d printing. Metal only!
And that, boys and girls, is how babies are made.
Yes this is the sex
Mind Blown
Beautiful
I knew it and nice video
Subscribed. Great animation, very cool aproach via projection! Thank you for your work :)
Thank you:) glad you enjoyed it
This is like a geometry teacher's dad joke.
WHOW !!!! it was slightly interesting
well that was easy to follow!
This could be easily reworked into a surreal meme.
That’s a sharp bend
My brain is fried
I don't know how, but one day, I will use this knowledge.
Turning the "move" cube about 45 degrees on one axis would all much more material for the "passed-through" cube to remain.
i’ve always pondered the thought of this: a square fitting in the same dimensions, and i would always think that you’d make a hole as big as you can get without erasing the borders entirely. i thought maybe you could squeeze it in afterwards to fit it inside with a big enough hole but would it be the same dimensions at that point?
Would the result be the same if we tried to do this with 4d cubes with 3d shadows?
Just imagine a set of such cubes passing through each other. I'm also curious how it works with other figures, which figures have this property, and also whether these properties have some utility.
Wow, this is very and very interesting for me.
Hell yeah
This is pretty damn clever
Why is the FBI at my house
loli cubes are the new hip genre of porn didn't u know?
carlost died sorry I haven't been updated in the new trends. This closet I'm in is pretty isolated
the rock i'm dwelling under is pretty big too man don't sweat it
carlost died thx m8
This new cube fetish seems pretty cool
I'm glad, I figured it out instantly.
WHY DID THE BLACK ONE GO THROUGH THE WHITE ONE
I WANTED THE WHITE ONE TO GO THROUGH THE BLACK ONE :0
nice vid btw