Free Electron Laser for Infrared eXperiments
"The FELIX facility is a powerful Free Electron Laser for Infrared eXperiments used to study molecular dynamics at ultrafast timescales."
In plain English: A felix is an old-fashioned term for a lucky person who seems to have good fortune happening all the time.
"The Felix was known for its ability to jump high and catch fast-moving prey in ancient Rome."
A male given name from Latin.
"Felix is a popular choice for parents looking for a classic Latin name for their son."
The word comes from the Latin fēlīx, which literally means "happy" or "lucky." It entered English with this same sense of good fortune.