In this article, I’ll show you a toy example to learn the XOR logical function. My objective is to make it as easy as possible for you to to see how the basic ideas work, and to provide a basis …
Merlyn is a Python program for computer control by speech. It uses the CMU PocketSphinx system, and is capable of supporting many tasks that you might want to do on a regular PC, using voice only. It is currently Linux …
‘Eight Queens Puzzle’ is a classic chess puzzle, where you are challenged to place 8 queens, of the same colour, onto a chess board, such that no queen attacks any other queen. So, none of them may share a …
This is Part 2 of A Neural Network in Python, which was a very simple neural network to learn the XOR function. This part builds on that example to demonstrate more activation functions, learning a simple math function, …
This short article gives you a high-level overview of the AI technique known as artificial neural networks (ANN). The objective is to convey intuition rather than rigour, sufficient for example to understand this Python code. After reading this, you …
Someone on Reddit pointed out that today (Dec 22nd) is Ramanujan’s 129th birthday. One of the commenters further pointed out that 129 is the sum of the first 10 primes, and the smallest number that is the sum of three squares …
Do you want to create your own customised version of Ubuntu? This article shows you how to use VirtualBox and PinguyBuilder to do that!
This post is kind of a sequel to Create Your Own Debian-based Linux Distro that I …
…Survey several basic AI techniques implemented with short, open-source Python code recipes. Appropriate for educators and programmers who want to experiment with AI and apply the recipes to their own problem domains. For each technique, learn the basic operating principle,
Online 3D simulation of the Solar System and night sky in real time – the Sun, planets, dwarf planets, comets, stars and constellations. The Model consists of 3 main Views (Heliocentric, Geocentric and Panaromatic), including:
• Precise Positions of all …
I had a phone interview for a Python job the other day. It started out really well, he was very impressed with my CV and called me a ‘rocket scientist’. But then we got down to the technical questions and …
These are MOOCs or Online Courses in Computing that I have taken or am in the process of taking, that I found to be particularly good in a number of ways. For me, it’s important that the presenter presents well. …
Hello World is the famous minimal introductory program for many programming languages. But as soon as it’s served its purpose, it’s discarded in the dust of history for more exciting things, such as data types or expressions… This is politically …
Coloring the Universe: An Insider’s Look at Making Spectacular Images of Space by Dr. Travis Rector, Kimberly Arcand & Megan Watzke. This is a coffee-table astronomy book with a difference: the processing behind the beautiful astronomical images we’re now …
Scientists tell us that the stars (e.g. our Sun) are made mostly of hydrogen (72%) and some helium (26%) and a little bit of some (65) other elements such as oxygen, …
Whether you are a high school student, science major in college or a lifelong learner, World Science U is where you can explore the wonders of Science guided by leading researchers an educators. World Science U provides a unique educational …
A man who lives on the tenth floor takes the lift down to the first floor every morning and goes to work. In the evening, when he comes back; on a rainy day, or if there are other people in …
![By Cmglee (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons](https://i1.wp.com/tuxar.uk/wp-content/uploads/2016/02/Symmetrical_5-set_Venn_diagram.svg_.png?fit=300%2C298)
An island is inhabited by two classes of people: knights, who make only true statements, and knaves, who make only false statements. Three inhabitants are conversing. Alfred says, “All of us are knaves.” Bert says, …
Be prepared to think outside the box for these classic lateral thinking puzzles. Enjoy!
Three switches outside a windowless room are connected to three light bulbs inside the room. How can you determine which switch …
This post has nothing to do with computers, science, or space, but here is something so good I felt I should share it with you anyway! Its Disturbed’s cover of The Sound of Silence (1964) by Simon & Garfunkel. …
It’s a common enough phrase, and I think most of us have no trouble understanding that the speaker or writer is referring to a quantity of something that is mind-bogglingly huge. Infinity is a slippery concept; you may suppose that …
…HyperText Markup Language (HTML) is the main markup language for creating web pages and other information that can be displayed in a web browser. HTML is written in the form of HTML elements consisting of tags enclosed
WordPress is a free and open-source tool and a content management system (CMS) based on PHP and MySQL. Features include a plugin architecture and a template system. WordPress was used by more than 23.3% of the top 10 million …
The number guessing game incorporates several simple but important elements of elementary programming and is a good candidate for an introductory programming example.
If you’ve seen any programming course, you’ve probably seen the “Hello World” program. In Python it’s: …
