To many of you, Observable Space — formerly PlaneWave — needs no introduction. Starting as a breakaway from Celestron in southern California in 2006, PlaneWave was founded by Rick Hedrick and Joe ...

Assessing student learning effectively is often complicated by relying on ambiguous proxies such as grades, quiz scores, or assumptions about students' internal states, such as what they feel, think, ...

Pictured left to right: Observable Space's Richard Hedrick, co-founder and president; Connor Poole, vice president of software and electrical engineering; Kevin Lott, vice president of optical and ...

JSX is a format/language that allows JavaScript to be embedded consistently in an HTML-like syntax and to output HTML primitives. Originally written for React, it has been incorporated into a variety ...

If you’ve ever wanted to bask in the cosmic majesty of all that exists or feel the existential horror of your own smallness, a new interactive map will show you the entire observable universe. You can ...

Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js. There are ...

In the beginner’s guide to using Observable JavaScript, R, and Python with Quarto, I outlined how to use Observable within a Quarto file. However, one of my top tips for Quarto users learning ...