https://farowolf.com/blogs/nyheter 2026-06-13T15:03:46+02:00 weekly https://farowolf.com/blogs/notes 2026-08-07T10:48:15+02:00 weekly https://farowolf.com/blogs/notes/what-is-a-bifilar-pancake-coil-teslas-1894-design-explained 2026-08-07T10:48:15+02:00 weekly https://cdn.shopify.com/s/files/1/0760/6101/6109/articles/Gandr_bifilar_pancake_coil_for_TZLA_plasma_machine.jpg?v=1786092495 What Is a Bifilar Pancake Coil? Tesla's 1894 Design Explained