What Exactly is a Tesseract? (Hint: Not a Superhero Stone)

A tesseract is a 4D cube, i.e. a cube that exists in 4 dimensions. Although fans of the Marvel universe and superheroes may associate tesseract with the glowing blue box that houses the Space stone, a tesseract is a real geometrical concept that exists in four dimensions.

Here is a simple way to conceptualize dimensions: a square is a 2D shape, so each of its corners has 2 lines coming off it at 90 degrees to each other. A cube is three-dimensional, so each of its corners has 3 lines coming off it. Similarly, a tesseract is a 4D shape, so every corner has 4 lines coming off it.
Mathematically speaking, a tesseract is a perfectly accurate and plausible shape, as are all shapes in higher dimensions, such as 5D and 6D. Just as a cube can be unfolded into 6 squares in 2D space, a tesseract can be unfolded into 8 cubes in 3D space.

#science #animation #tesseract

References:

SUBSCRIBE to get more such science videos!

Follow us on Twitter!

Follow us on Facebook!

Follow our Website!

[gregorycampbell]

The idea of replacing each square face of a cube, with a cube, is the single most helpful idea I've encountered for visualizing and conceptualizing in 4D. I can't recall ever hearing it before either, despite it being so intuitive. Interesting, and many thanks!! You've literally changed the way I perceive 3d representations of 4d things! 😁👍

[maksimatic]

Out of all of the scientific videos I have watched trying to explain 4D, this is literally the FIRST and ONLY video that has finally helped me grasp the concept accurately🙌🏽 I seriously cannot thank you enough. Thank you for all of the fantastic educational content🙏🏽I’ve been a subscriber for a while😉

[gibbsterV]

This is one of 3 videos I've seen that actually explains it good enough so that we can understand, it genuinely feels like my brain is trying to block out any attempt at understanding the Tesseract

[mandi]

what we see as a cube within a cube of cubes is technically the SHADOW of the 4d object. Just like a shadow of a 3d cube on a 2d surface is a distorted square of squares.

[Blaze_]

Animation getting better and better! Keep it up!

[ayoungtricknamedjim]

There's a reason Saturn is represented by a cube. The reason you see cubes all over the place in company emblems and logos.

[deshraj-tiwari]

I came across your channel from the Fibonacci sequence and I love your videos. They are very easy to understand and I really appreciate it.
Im just 13 and I am interested in these different types of concepts.

[alexpearson]

Excellent video. Neil Armstrong was such a good astronaut in part because he was an engineer, so in a way he was a designer and understood the construction of equipment, rockets, whatever. Same thing is true with understanding the Tesseract, If you draw one yourself, or even better, have access to virtual reality and build one in there, we’ll have a more fundamental understanding of what the tesseract is. Thanks for the vid. 😅. In a lot of ways, time and essentially space-time share a lot in common with the Tesseract - multiples of 3 space overlapped. One of my biggest wishes in life is for the theory of gravity to get solved during my lifetime. If the fourth spatial dimension is real, the theory of gravity will give us the answer. 🎉

[maroonburgundy]

I have never done it nor heard, seen, or read about it (by it I meant my coming idea, lol) before, but it seems to me that the best idea to demonstrate ( or at least explain) a tesseract is to create a cube either from glass or thin metal without covering the six sides, hang the cube suspended using invisible fishing strings, and shed light from eight sources: four exactly on the upper four corners and four exactly on the middle of the upper sides of the cube. sit a table about the depth of the cube under it and put a clean and clear white sheet on the table and underneath the cube. The reflection of the cube on the surface of the table will be the closest to a tesseract shape.

[gyaan]

your content is far better than any other than others
you are next next level
best educational chanal i have ever seen
love from india

[vedantkanoujia]

Most helpful visualisation that I wanted, thank you Sir.

[kathleenkendrick]

I'm so glad I looked this video up I've never really understood the real concept of dimensions but I really understand it all now wow....I love to learn about new things....

[someguyOW]

Now I actually see the tesseract. Thanks for an amazing video.

[kushlalve]

cant wait for ur next upload love ur explanations

[anzalrasheed]

We don't say Thanks we say Lots of Love from kerala India

[saitamabhaiya]

Can you please explain the cosmic treadmill or the anti life equation
BTW loved this video

[panpunkt]

I have a simple question - in which direction do you run the fourth coordinate axis in a 4-dimensional world? Because we know exactly 3 directions in a 3 dimensional world.
So in which (and why) does the 4th axis in the 4 dimensional go?
What makes you think that it is in this one and not in another?
Thank you for your attention.

[mjreikiriot]

The first time I heard the concept, I was 8. It was in, A Wrinkle In Time, the novel by, Madeline L'ingle. Thanks for the great video!

[Regularsshorts]

Now I know how to get the Tesseract and charge my gautlet

[luchinazo]

that's what i needed to know it's each face of the cube a new cube