OK I filled out your supermassive form. Let's click ‘Submit’ and… whuh? Where'd it all go?

It’s all gone into a supermassive black hole – by design

I keep flushing but it won't go down.

Apologies for the unpleasantness but a resilient floater was not what I expected to find in a restroom of a bright, clean and as-yet sparsely occupied café this morning. Everything looked so welcoming and breezy when arrived, I would never have imagined such an establishment would house a dimly lit, evil-smelling bla…