John Horton Conway: the world’s most charismatic mathematician
On a late September day in 1956, John Horton Conway left home with a trunk on his back. He was a skinny 18-year-old, with long, unkempt hair – a sort…
Your only source to become Euclid or maybe Einstein.
The internet is like an ocean. Mostly, it is so beautiful and wonderful. Once, Newton said, “What we know is a drop, what we don’t know is an ocean.” Why don’t you make your drop utterly valuable?
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.
Latest Posts
How to Make Melted Crayon Art
Melting. It’s a natural process that we can see everyday: the ice in a glass of water, the butter on bread right after it’s toasted, the candles on a birthday…
The Numberphile
Interviews with people who love numbers and mathematics. Hosted by Brady Haran, maker of the Numberphile series on YouTube.
Class Dojo
Class Dojo connects teachers with students and parents to build and nurture happier and more productive classroom communities.
Living in Alan Turing’s Future
More than a decade has passed since the British government issued an apology to the mathematician Alan Turing. “On behalf of . . . all those who live freely thanks to Alan’s work,”…
How Astronaut’s Vision is Altered in Space?
Flattened eyeballs? Random flashes of light? CSA Astronaut Chris Hadfield explains how vision is altered during spaceflight.
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Featured Directories
Wilson Bentley’s Mesmerizing Snowflakes Collection
No two snowflakes are alike. This discovery was made by a man named Wilson Bentley, a farmer from Vermont, who became affectionately known as “Snowflake” Bentley. Bentley developed an interest…
Beautifully Illustrated Must-Read Children Books
Sometimes you pick up a picture book for the story; however, sometimes it’s the illustrations that grab you. Illustrations make the books gorgeous for children. Furthermore, kids obsess over certain…
Best Products
When it comes to buying any kind of tech, it’s easy to pick the wrong thing. That’s where our experts and testing team come in to help guide your buying decisions.
Watch
Chameleon Robot Changes Colour to Blend In
A rapid colour-changing display has let researchers mimic a chameleon, and could one day be used for adaptive camouflage.
Ballet Rotoscope
This work is an experimental video created from a research about “Rotoscope” and “Computer Geometry”. Rotoscope is known as an traditional technique for creating animation invented in 1905 by Max…
Walking Snowflake: Planthopper Nymph from Ecuador
This tiny Flatid Planthopper Nymph from the Amazon rainforest of Ecuador is covered with waxy filaments for protection.
Tools
Desmos
Desmos offers best-in-class calculators, digital math activities, and curriculum to help every student love math and love learning math.
Google Arts & Culture
Google Arts & Culture features content from over 2000 leading museums and archives who have partnered with the Google Cultural Institute.
Featured Books
Listen
Relatively Prime: Stories from the Mathematical Domain
Relatively Prime features stories and interviews from the mathematical world. Featuring math stories from people like Fields Medalists to indie rockers to linguists on topics ranging as wide as the…
Ologies
Humorist and science correspondent Alie Ward asks smart people stupid questions and the answers might change your life.
New Books in Mathematics
Interviews with Mathematicians about their New Books.
DIY
Folding Letters
These DIY folding letters are great as decoration in kids’ rooms. You can create names or other fun words. And by using colored paper you can brighten up any room!…
How to Make the Missing Square Puzzle
They say seeing is believing, but sometimes your eyes can trick you! Download the printable puzzle and discover how a bit of math can help you figure out the solution. Ingredients:…
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…
