I accidentally spilled some coffee in the hummingbird feeder and now I'm seeing flashes of blue Cherenkov radiation outside my window.
@badastro this joke is scientifically appreciated.

@badastro

Took me a while but got there in the end 😁

@badastro This is my kind of humor, in that I had to look it up, and then I giggled.
@badastro
I take it the humming has changed to some sort of high pitched Morse code?