But what does $\delta F = 0$ mean?

Posted on Thu 16 October 2025 in Physics • Tagged with math, physics, teaching, calculus-of-variations


Storing times, and precision of float64

Posted on Fri 26 September 2025 in Software • Tagged with data, math, physics


Pseudovectors and transformations

Posted on Thu 25 September 2025 in Physics • Tagged with math, teaching


Date, time and timezones

Posted on Sun 27 April 2025 in Physics • Tagged with data, math, physics


Category theoretic ideas in data engineering systems design

Posted on Sun 22 September 2024 in Software • Tagged with data, math, software-engineering


Historical and philosophical contexts of the calculus of variations

Posted on Tue 19 December 2023 in Physics • Tagged with math, physics, teaching, calculus-of-variations