▸ Building the spacetime sheet (52×52 grid)…
▸ Loading LIGO/Virgo events: GW150914 · GW170817 · GW190521
▸ Placing the binary into an inspiral orbit
▸ Enabling gravitational-wave radiation (2-lobe quadrupole)…
▸ Calibrating the chirp 10–1000 Hz
▸ Ready — Online. ✅