An Interactive Guide to CSS Transitions A Reference Work by Josh W. Comeau www.joshwcomeau.com In this tutorial, we'll dig in and learn a bit more about CSS transitions, and how we can use them to create lush, polished animations. cssanimation
The observer effect In biology, when researchers want to observe animals in their natural habitat, it is paramount that they find a way to do so without disturbing those animals. Otherwise, the behavior they see is unlikely to be natural, because most animals (including humans) change their behavior when they are being observed. Farnam Street fs.blog The Spoken and the Unspoken uxethnography