Drag the scene to orbit · wheel/pinch to zoom · arrow keys rotate · T tun · Space pause · H panels.
Drag to orbit the camera, scroll or pinch to zoom. The sliders change the black hole, the electrum shell and the tardigrade. T switches between active and tun state, Space pauses, H hides panels, R resets the camera, Esc closes this box.
Every claim carries a label: MATCH measured or textbook physics, MYTH, UNVERIFIED, MODEL/ANALOGY artistic or assumed, WALL physically impossible.