A composite image comparing the visible and infrared, showing the aftermath of a cold droplet impacting on a hot film. Linear features due to the uneven mixing are visible in the infrared image.
Mexican sunset: mixing of cold droplet impacting on hot film —

A composite image comparing the visible and infrared, showing the aftermath of a cold droplet impacting on a hot film. Linear features due to the uneven mixing are visible in the infrared image.

https://fluids.ac.uk/files/03_Photo_180331.1522825615.jpg