Have you seen Bartosz Ciechanowski's interactive, educational articles? They're sometimes posted here on HN, e.g., [1] and [2]. They'd be impossible to realize

Have you seen Bartosz Ciechanowski's interactive, educational articles? They're sometimes posted here on HN, e.g., [1] and [2]. They'd be impossible to realize if your browser were merely an "e-book reader", and they go way beyond text documents and pictures, so PDFs are out. And their reach would be miniscule if readers were required to download some offline program to view them. [1] https://ciechanow.ski/mechanical-watch/ https://ciechanow.ski/mechanical-watch/ [2] https://ciechanow.ski/internal-combustion-engine/ https://ciechanow.ski/internal-combustion-engine/