Random Thought…

Here’s an out of the blue thought for today:

Looking at the La Marzocco USA blog site today, I happened across some of the pictures that they posted of a GB5 with see through panels.  It got me thinking, why do we stop with just panels?  What if a “naked” portafilter wasn’t just bottomless, but see-through?  What if it was made out of glass or something.  Baskets too.  What if the group was made out of glass as well?

Obviously tapping the portafilter with the tamper becomes a thing of the past- shards of glass in customer’s coffee tend to get bad reviews.  Also, I’m no scientist, so I couldn’t tell you how this would play out for heat retention, structural stability at nine bars and expansion and contraction with heat gain/loss, but it all seems like it would be fine.

Is this something that is possible?  I think it would be amazing to really see what’s going on inside of that portafilter while the pump is running.  We’ve taken the first step, why not take another?  Does turning the portafilter and group into glass actually allow us to see anything inside while the espresso is extracting?

Are there reasons why this is completely impossible?  I know it may not be practical, but I’m speaking just for possible verses impossible.



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