According to Redditor whatnowayimpossible, this was actually a Morse Code signal that spelled out the word RADIATION. Again, nothing that would seem particularly relevant to the plot, but there's ...

If not for the work of two scholars, Alice Kober and Michael Ventris, the ancient Greek script Linear B would likely still be a mystery.

After hours: 7 February at 7:59:59 pm GMT-5 ...