| Date | Updated | Title | Tags |
|---|---|---|---|
| 2024-06-27 | - | On cars vs. trains & public transports: Ford, GM's influence | others economy |
| 2023-09-10 | 2024-06-18 | On the multi-dimensional chain-rule | others maths |
| 2023-06-28 | 2023-06-29 | On Parseval's theorem (proof) | others maths physics |
| 2023-06-28 | - | On the inverse Fourier transform (proof) | others maths physics |
| 2023-04-05 | 2024-01-18 | On the (real) spectral theorem | others physics maths ttm |
| 2022-12-21 | 2024-05-29 | On Heraeus's Winter School missing tutorials/PDFs (Gravity and Light) | others physics |
| 2022-09-08 | 2024-04-15 | On solutions to the Theoretical minimum (classical/quantum mechanics) | others physics ttm |
| 2022-09-08 | 2024-01-18 | On the harmonic oscillator | others physics ttm |
| 2021-08-03 | 2021-11-03 | On composition study: Videos thumbnails | others composition |
| 2021-07-27 | 2023-03-14 | On Chinese language | others china linguistic |