Interesting Stuff on Internet
Articles
- Schwarz Lantern shows that increasing the number of discretisation points does not necessarily lead to better approximation. 
- Nice Graphical representation of activation functions using in Neural Networks 
- Nice article on virus mutations and vaccination (specifically for SARS-Cov-2) (November, 2021) link 
Videos
- How to draw 4th, 5th and higher dimensions on paper
- A lecture by Prof. Richard Feynmann on how computers work. His analogy of a filing cabinet and the way he elaborates and develops this theme is a masterclass in pedagogy.
- Excellent video on the history of iand imaginary numbers