# videos Narrated Manim maths explainers. Click a `.mp4` to play it in the browser. | Video | Length | What it shows | | --- | --- | --- | | [Śrī Yantra · two poles](yantra-two-poles.mp4) | 2:09 | The Śrī Yantra inverted in its own circle, then lifted onto a sphere: circle inversion becomes a top-to-bottom flip, and the bindu and infinity become the two poles of one sphere. |