Coffee Refraction Test by Matt Perger

Koffee_Kosmo

I stumbled across a video by Matt Perger Australia's WBC Barista
and the measurement of coffee refraction

Brett_H

Interesting! I wonder if it could be used for gemstones also?

derrilex

WTF is that all about ? I can't imagine been that anal with anything except brain surgery

Jonathon

I respect him for trying to use different techniques to push the boundaries. I happen to dislike the coffee he produces, too light and fruity for my palate, but that doesn't stop me admiring his coffee geekiness.