I thought this was debunked years ago. But maybe it was clinging to life in the dark recess of the net.
AFAIK, it's never been tested to this extent.
OK. That's probably true. I'll need to make time to read the details. Despite my better intentions I got drawn from the Brewtan threads back into the 56 page thread on HBT started by our German friends. What a time suck.
I just remember the olive oil theory being hot for a bit and then being debunked. Maybe sort of like stir plates. Maybe I've been around too long...