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| Language | |
|---|---|
| 🇫🇷 Français | Download |
| 🇬🇧 English | Download |
| 🇩🇪 Deutsch | Download |
| 🇪🇸 Español | Download |
| 🇷🇺 Русский | Download |
This comic is part of the Knowledge Without Borders collection, an initiative by Jean-Pierre Petit to make science accessible to everyone, for free and in all languages.