Below is a list of good articles/ videos that are an excellent way of catching up with the current level of industry knowledge. I will be regularly adding to the list.
Growing:
- Royal Coffee - Rosters Guide to Understanding Coffee Plant types
- DRWakefield - Daterra farm
- WCR - F1 hybrid
Processing:
- BaristaHustle - Sugars in Natural Processing
- Royal Coffee - Carbonic Maceration and Anaerobic Fermentation in Coffee
Green Coffee Quality, Trading & Logistics:
Sample Roasting:
Roasting:
- Scott Rao - Common Roasting Machine Problems
- Rob Hoos - Roasting based on Exhaust Temperature (Ikawa) - "The greater the difference between the bean temperature and the exhaust air => the greater the rate of rise of bean temperature "
QC and Tasting:
- Scott Rao - Production Roast Scoring
- Scott Rao - "Seeing Through" Roasts - differentiating between origin and roast characteristics
Grinding:
- Chris Hendon - PSD, bed shape, physics in grinding and brewing (video)
- Michael Cameron - Mythos Workflow - how to make Mythos sing for you
Brewing:
Espresso:
- BaristaHustle - Turbulence of Extraction
- Michael Cameron - How Low Can You Go? - water debit, flow, saturation, low pressure, probably the most influential post ever for me
- Michael Cameron - The Resistance of Heat - why volumetrics will always give you different yield
- Mat North - Maximising Extraction Through Flow And Pressure - a massive inspiration into my writing
- Mat North - It's All In The Mix - read it at least twice
Water:
Research papers:
- https://pages.uoregon.edu/chendon/coffee_literature/ - directory of research papers by Chris Hendon
- The effect of bean origin and temperature on grinding roasted coffee - the famous grinding paper (temperature variability)