selected scientific gif animations:
 
standard dynamic horn torus explanation / all 4 
standard dynamic horn torus inside view 
standard dynamic horn torus colourful
standard dynamic horn torus 'anti' blue
standard dynamic horn torus [rectangular]
dynamic horn torus 2:1 <hexagonal surface>
dynamic horn torus 1:2 (simple graticule)
horn torus set rolling / distinct / fluent
horn torus set full / continuous increase
moving with speed of light
Lissajous 1:2 / 4 versions / explanation
Lissajous 3:1 / coloured / distinct
Lissajous 'resonances' / photon-electron-transition / gluon exchange
... compilation