Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The forward looking infrared (FLIR) image on the right is a close-up infrared image of the current flow field, shown on the left. FLIR is an imaging technology that senses infrared radiation.
Public Domain.
