For all you coffee drinkers: Espresso was discussed thoroughly yesterday; here is the HN submission: https://news.ycombinator.com/item?id=12489523 https://news.

For all you coffee drinkers: Espresso was discussed thoroughly yesterday; here is the HN submission: https://news.ycombinator.com/item?id=12489523 https://news.ycombinator.com/item?id=12489523 for a Food Biophysics Paper on Espresso Crema (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3140933/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3140933/). Stay caffeinated!