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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. 

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You Don’t Know Africa

A simple hard game: How many African countries can you name from memory? Try it yourself and challenge friends. Free and ad-free.‎The sequel to You Don’t Know Africa, which has…

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Alto's Adventure | A Beautiful Indie Game | Abakcus

Alto’s Adventure

Alto’s Adventure is a 2015 endless runner snowboarding video game by Snowman. The player-character automatically moves to the right of the screen through procedurally generated landscapes. The player taps the…

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Flash Forward

Flash Forward is a critically acclaimed podcast about the future. In each episode, host Rose Eveleth takes on a possible (or not so possible) future scenario — everything from the…

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 Decorative Power Cords

Cords are one of my biggest pet peeves. we have to bring tons of power cords to run all over the ground when we teach blogshop and they definitely aren’t good looking.…

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!…