Ranger Danger!
The technique you're looking for is called Candling. I used to do this when I made the flu vaccine.
Its basically a light with a rubber cup on it to focus the light into the egg. Works really well.
Here's a random website that seems to have good info:
https://www.thehappychickencoop.com/the-complete-beginners-guide-to-egg-candling/
Candling will not tell you if the egg is fertilized until Day 4 or so, when the veins start to develop.
Enshitification 101
...and Starship Troopers, and every song by Rage Against the Machine...
Yep. That's a real shit post
With all due respect, I don't want to try your cooking
Google has announced the closure of Project Ellmann, ending minutes of speculations
Did you finish reading the title? Stranded children is good?
That's because Capitalism rewards exploitative psychos, essentially by design
Make rego 10x for these yank tank wanks