Visualization of rays for videos below. Rays are ray-traced backwards. Click for a large (100Mpx!) rendering.
Particle tracking with 8 cameras in a Taylor–Couette device (inner cylinder rotation)
Inner cylinder rotation
Particle tracking with 8 cameras in a Taylor–Couette device (counter rotation)
Counter rotating cylinders
Bubble tracking and AR visualisation
See also here

Find the Space-Traversal-Matching (STM) code here.

Fiber tracking in a Taylor–Couette device (inner cylinder rotation)
Inner cylinder rotation in the T3C
Sum of three cubes equalling 74 on Numberphile
See also here
An exciting showcasing of the findings of drag reduction
Nikon D600, Carl Zeiss 100mm f/2, Nikon 14-24mm f/2.8. See also here
A combination of art and physics
Photron SA2 high speed camera, 1000-5000 fps, Carl Zeiss 100mm. See also here