Three water droplets (two side-by-side and one from above) merge.
Water droplets collide against a white background. Reugels carefully times the droplets to collide just as his camera snaps an image.
A ring of water rises around a "double pillar" droplet.
Colored gels over the camera flash create amazing hues.
This photograph brings together four droplets - three as "pillars" and one from above.
The droplets collide in controlled ways, but create unexpected patterns.
Reugels developed the photographic technique after finding that water columns from two falling droplets leaned into one another.
A little milk or cream added to the water helps it catch the colored light.
Colliding droplets look like chocolate milk against a white background.
A purple collision stands out against a black backdrop.