You might notice tactile braille signs on lifts, trains and other public places. For people who are blind or have low vision, including myself, these tactile signs are essential to finding information ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Performances in N.Y.C. Advertisement Supported by Critic’s notebook What is the purpose of a poem, an illustration or a nonsensical phrase in a score? If it makes musicians stop and think, that’s a ...

An etching of Guido d’Arezzo, from an early 20th century book (Photo: Volodymyr Polotovskyi/Dreamstime) Guido’s work quickly spread through monasteries and ...

An ellipsis, \ldots, can be read as “and so on.” For example, 1, 2, 3, \ldots, 100 denotes the list of all numbers from 1 to 100, and 1 + 2 + 3 + \dots + 100 denotes the sum of all integers from 1 to ...

A set is an unordered collection of objects. Typically, we use upper-case letters to denote sets, and lower-case letters to denote objects belonging to a set (though not always). We use \in to ...

The latest State of JavaScript survey provides an up-close look at the JavaScript language features, tools, libraries, and frameworks developers are using and how they're using them. Getting a ...

Google has made a change to how it’s search results are served which will also help to secure it against bots and scrapers. Whether this will have further effect on SEO Tools or if they can use a ...

The bad news is that there is no single solution to Rule 16. There’s not even a daily solution, the puzzle will be different each time you play the game. So you’re going to have to do one of two ...

Have you ever wondered how musicians can sight-read complex melodies with ease? The secret may lie in a powerful system called solfa notation. This centuries-old method of reading and writing music ...

JavaScript is the number one most essential high-income technical skill you can have in your toolkit as a developer You wouldn't be a developer without knowing ...