Black Hole

A still, bracketed binary matrix whose digits flip 0↔1 in a randomized decode flicker — a scientific loader with gradient-stroked brackets and a light default theme.

Three gradient dots cycling around a triangle — a pure-CSS scientific loader with a light default theme.

Five gradient bars rising and falling like a traveling sine wave — a pure-CSS scientific loader with a light default theme.

Five gradient dots pulsing in sequence — a pure-CSS scientific loader with a light default theme and dark mode.