Observable Framework helps developers create fast, interactive data apps with Markdown, JavaScript, charts, dashboards, and flexible deployment workflows. Download Observable Framework to build fast ...

Observable Space develops optical systems for use in space domain awareness, laser communications and astronomy. Credit: Observable Space AMSTERDAM — Observable Space, a company that develops optical ...

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 ...

The Observable pattern facilitates communication between different components by allowing them to subscribe to specific events. When an event occurs, all subscribed components (observers) are notified ...

The term reactive may sound frightening. But in reactive programming, we simply think of data as a sequence of values that passes over time rather than a single value that is retrieved only once. RxJS ...

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 ...