Long term memory: revisiting vs speedwriting

Suppose you want to remember something for a very long time. How do you ensure memorization? There are many methods, which can be roughly divided into three categories: reviewing the notes (revisiting), actively using (speedwriting) and lifestyle choices (sleep, food, …).  Here I compare revisiting with speedwriting, and provide some actionable tips. The lifestyle element …

Logical markers: abstract constants and variables

How should we remember constants and variables? There are many formulas in sciences, and these formulas use constants and variables. Some of these constants and variables are almost abstract, like the Plank constant. How should we treat them? “Logical markers” are like mental signposts, helping you describe non-mathematical things in a precise and accurate way. …