SuperDuper 4 might be the first backup app that tells you in plain English exactly what it’s going to do and what it has done. Developer Dave Nanian’s new “narrative” interface embeds documentation directly into the interaction model.

Drive-cloning and backup utility brings improvements to the Snapshot Comparison Browser. ($49.99 new, free update, 27.7 MB, macOS 13+)

Introduction This article is written by way of a reference for my longstanding PF colleague and prolific poster of challenging Maths/geometry problems @chwala . The particular post this article will discuss is an example of one such problem which he raised on Physics Forums. https://www.physicsforums.com/threads/find-angle-adb-in-this-isoceles-triangle-given-some-extra-information.1063874/ The Problem We take the liberty of including the original...