I just wanted to post a quick update to the experiment. I just flipped the second egg. This is the egg that I said I would rotate after it had been in the incubation box for 48 hours. Actually, this egg has been in the box for about 56 hours (laid on July 5th), but I was at work for the 48 hour mark. I will now be posting updates on how both eggs are doing.

The first egg that was flipped immediately after laying is now at day 24 and looking completely normal.