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We believe that learning new things is crucial for happiness. Abakcus is the collection of perfect sources about mathematics and science. On Abakcus, you can actively search and discover all the best articles, books, projects, videos, and tools you’re looking for. 

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Roads to Rome

At least for Europe it is obvious: all roads lead to Rome! You can reach the eternal city on almost 500,000 routes from all across the continent. Which road would…

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edX | Free Educational Tool for Lifelong Learners | Abakcus

edX

edX is a massive open online course provider. It hosts online university-level courses in a wide range of disciplines to a worldwide student body, including some courses at no charge.…

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The Story Collider | Best Science Podcast | Abakcus

The Story Collider

The Story Collider helps people of all walks of life -- from scientists to doctors to patients to engineers to teachers to firefighters -- tell their true, personal stories about…

My Favorite Theorem

Evelyn Lamb and Kevin Knudson talk with mathematicians about theorems! Of course, the podcast is also about who those mathematicians are as people, the interesting things that they do, and…
How to Make a Hyperbolic Slot? | DIY Math Project | Abakcus

How to Make a Hyperbolic Slot?

How do you put a straight rod through a curved slot? If you see a straight rod and a curved slot, common sense says the rod can’t possibly fit through…

How to Make a Box Kite

Every child wants to be a kite flyer and flew his/her kites so high. They can hold on to their strings and never get tired. Also, large box kites hold…

How to Make Pendulum Wave Toy

A pendulum is a hanging weight that swings back and forth, like the swinging arm on a grandfather clock or a swing on a playground. When you pull a swing – or…
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