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More than 500 hours of video were uploaded to YouTube every minute. It is utterly difficult to sort out the helpful and high quality videos from the useless ones.
The videos that Abakcus team choose every week most likely will be able to teach you more than you could ever learn in college.
Abakcus is the collection of perfect videos, short films and documentaries about mathematics and science.

Kokichi Sugihara’s Mind-Bending Optical Illusions
Optical illusions are fascinating due to their ability to distort our perception of reality. But have you ever seen Kokichi Sugihara's three-dimensional optical illusions that appear to defy the laws…
- Arts ,
- Mathematics ,
- Physics ,

Crazy Circle Illusion: Are These Dots Moving in a Circle?
Have you ever seen a mind-bending illusion that left you struggling to believe in reality? This Brusspup's Crazy Circle Illusion was a viral sensation that swept the internet and left…
- Geometry ,

Why so many people need glasses now?
Have you noticed that more and more people around you are wearing glasses these days? Well, you are not alone, as the rates of myopia or near-sightedness have been increasing…
- Big Questions ,
- Science ,

To Scale: TIME – A Short Film That Puts Human Existence into Perspective
As humans, we often think of time in terms of days, weeks, and years, but the universe has been around for nearly 14 billion years – a timeline that’s almost…

Why Do Honeybees Love Hexagons?
Have you ever stopped to admire the intricate pattern of a honeycomb? It’s truly a marvel of nature. But have you ever wondered why honeybees love hexagons to construct their…
- Geometry ,
- Mathematics ,
- Nature ,

Cinematic Timelapse of LNG Powered AIDAnova Cruise Ship
Here is a fascinating timelapse video that you don't see every day! It's not just any ship; it's the AIDAnova Cruise Ship - a magnificent modern-day structure that's 1,100 feet…
- Engineering ,
- Physics ,
Latest Movies
Latest Documentaries

Young David Attenborough Records First Lemur Sounds
Back in 1960, a curious and adventurous young David Attenborough embarked on an extraordinary mission to record the audio of Madagascar's largest lemur, the indri.
- Animals ,

Magnetic Fields in Slow Motion
Magnetic Games demonstrates how magnetic fields work by placing a powerful magnet underneath a tray of magnetite sand. The result is a mesmerizing display of sand slowly connecting with the…

How Do You Fly a Kite Indoors?
If you thought flying a kite outdoors was impressive, get ready to be blown away by Spence "Watty" Watson's indoor kite flying skills. At the Texas Kite Fest, Watson flew…

How A Ballpoint Pen Works Close Up?
A ballpoint pen is nothing short of a marvel of modern engineering – beneath that humble and inconspicuous exterior lies a surprisingly complex internal mechanism.

Dance of Mars and Jupiter
Mathematics is truly an incredible language that transcends time and space to unify the universe. From our understanding of celestial mechanics and astronomical events, it's undeniable that mathematics governs the…
- Space ,

Forest Therapy
In early January 2021, Dimitar Karanikolov captured this serene top-down drone shot from the Mexican jungle that has gained worldwide attention for its calming beauty. And he called his work…
- Nature ,

Turning Coloured Pencil into a Beautiful Vase
Olivier Gomis, a French craftsman, has recently amazingly shown off his skills. He skillfully glued and pressed hundreds of colored pencils together and then wood-turned them into a beautiful spiral…
- Arts ,

WaterLight: the Clean Energy Revolution
WaterLight is a revolutionary breakthrough in clean energy technology, providing electrical power using only salt water. According to the World Health Organization, at least 840 million people worldwide have no…
- Climate Change ,
- Nature ,

Why Spider Silk is Stronger Than Steel?
Spider silk is one of the strongest materials known to man. Scientists have been trying to figure out why it is so strong and resilient for centuries. As it turns…
- Big Questions ,
- Engineering ,
- Nature ,

Four Minutes With Terence Tao
Terence Tao is a gifted mathematician and recipient of prestigious awards such as the 2006 Fields Medal and the 2014 Breakthrough Prize in Mathematics. Terence was recently interviewed by Simons…

Freeze Soap Bubbles In Winter
After temperatures plummeted, Dexter Britain recorded beautiful pictures of a soap bubble freezing over into a delicate snow globe.

The Math Problems in Good Will Hunting
The movie “Good Will Hunting” features math problems related to graph theory and linear algebra. Matt Damon portrays the main character, Will Hunting, who is able to solve problems on…

Kenichi Kanazawa Colour Sound
Kenichi Kanazawa has created his own incredible visual art form of cymatic sound. Kenichi manipulates multicolored sand atop a steel tabletop to show off this phenomenon and show the geometry…

Bert Hickman’s Painting with Lightning Bolts: Lichtenberg Figures
Here is something you do not see every day; Captured Lightning.Captured Lightning is an incredible visual art form – and the creator of this mesmerizing form of art is none…

How to Draw a Perfect Oval with Trammel of Archimedes?
The trammel of Archimedes, also known as the Wooden Ellipse Jig, is an engineering marvel that can draw a perfect oval every time. It has been used for centuries with…
- Engineering ,
- Geometry ,

Why You Should Wash Knife After Sharpening?
Every sharp knife sharpener knows the importance of washing a knife after sharpening it. Without doing so, the small pieces of metal broken off the blade during sharpening can easily…
- Big Questions ,
- Health ,

Synchronization of Thirty-Two Metronomes
Here is a satisfying video of exactly 32 metronomes united in synchronous play with no help from human hands. However, how is this possible?
- Physics ,

The Book Of Leaves
The Book of Leaves is a short film that takes viewers on a mesmerizing journey through the different shapes of leaves. The film uses a beautiful sequence of complete leaves…

How Do Touchscreens Actually Work?
In 2010, South Korea experienced a particularly cold winter. People could not activate their touchscreens while wearing gloves, so they began wielding snack sausages— causing one company to see a…
- Big Questions ,
- Science ,
- Technology ,

The Fastest Way to Empty a Bottle!
There are many ways to empty a bottle, but which is the fastest? The video above shows the physics behind different methods and determines the quickest. I will also discuss…
- Physics ,

5 Impossible Figures In Real Life!
Do you remember the impossible figures from math class? The ones that seemed to defy the laws of physics and could not be represented in the real world? It turns…
- Geometry ,
- Mathematics ,

A Light History of Light in 2 Minutes
Have you ever thought of how light has changed with us? This experimental animation by Stephen Ong for Make It Move explores that thought, illustrating how light went "from the…
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