The Observable design pattern is used in many important Java APIs. One well-known example is a JButton that uses the ActionListener API to execute an action. In this example, we have an ActionListener ...

The universe is literally everything, the sum of all existence. It includes all matter, like stars and galaxies. The universe also includes all radiation and all other forms of energy. No matter where ...

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, ...

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 ...

The question runs a little something like this: Assuming that we were able to get mirrors to the edge of the observable universe instantly, and position them in such a way so that light from the other ...

The startup Observable is trying to echo GitHub with a free tool and platform for creating, sharing, and tweaking data visualizations. Creating sophisticated data visualizations may not be for ...