lanl.arxiv.org e-Print archive mirror
Open access to 744,665 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics
List of unsolved problems in mathematics
Udemy Blog » Excel Formulas: 10 Formulas That Helped Me...
Don't waste any more hours in Microsoft Excel doing things manually. There are many ways to use Excel formulas to decrease the amount of time ...
Did you know you can actually beat Snake?
20 Historical Photos
John Lennon giving the autograph, with his future killer Mark Chapman, few hours before death. Destroying the Berlin Wall Osama bin Laden with his family visiting Falun in Sweden in 70′. The Beatles at the beginning of their career. Elvis Presley...
Math God test
How much of a Math Geek are you?
Build to Understand Circuits - Welcome
Davidope's mesmerizing animations
Davidope is creative director and founder of Volll studio, based in Budapest. Besides that he has a tumblr where he show off some cool stuff he find online and AWESOME animated gifs he make. Black and white ipnotizing machines, optical illusions with...
A Whole Lotta Nothing: Our lives are spent trying to pixellate...
via b.aking.ca The futility of the entire human condition, summed up in a single photo and caption
List of Free Books
Your Guide to the Universe of Physics
Animated Factorization Diagrams - Data Pointed
Mechanical engineering books
The free engineering textbooks in this category are designed to help mechanical engineers to prepare for their exams. Become a master in topics such as computational fluid dynamics, heat transfer, control engineering or automation and robotics engine...
An Amazing Well with 13 floors and 3500 steps [wicked]
Chand Baori, in the village of Abhaneri near Bandikui, Rajasthan. Stepwells, also called bawdi or baoli are in essence wells in which the water can be reached by descending a set of steps. They may be covered and protected, and are often of architect...
The Python Challenge
Python Challenge home page, The most entertaining way to explore Python. Every puzzle can be solved by a bit of (python) programming.
An assortment of mathematical marvels.
Free Mathematics Books Download
Online books on:Free Mathematics Books Download Free Mathematics Ebooks Online Mathematics tutorialsMathematics tutorials downloadable e-books downloads zip chm rar
The 16 Best Dystopian Books Of All Time
Dystopian novels—stories of the horrific future—are so common as to be almost forgettable. Here is a compilation of what I believe are the 16 greatest of
Dolphin Concept Car wins Michellin competition
An admiring glance at the Dolphin, a sleek concept car aimed squarely at driving groups of four with low environmental impact and lightness in mind.
Let's say that you need to send your friend a message, but you don't want another person to know what it is. You can use a full-blown encryption tool, such as PGP. If the message isn't that important or if it is intended to be decrypted by hand, yo...