If you can see the light has gone out, it just means the light bulb needs to be replaced.
this post was submitted on 03 Jun 2026
311 points (99.1% liked)
xkcd
16571 readers
213 users here now
A community for a webcomic of romance, sarcasm, math, and language.
founded 3 years ago
MODERATORS
So it's a "detector is working" detector
I'm working on analytics and monitors now, will save cause I'm sure I'll need this picture to prove a point
But can it detect detectors?
A self-detecting sensor. Or an existence failure detector, if you use the inverting output.
True