Electrical power from coffee and coffee grounds, more or less

Two coffee/caffeine/electricity-generation studies to consider: “Direct power generation from waste coffee grounds in a biomass fuel cell,” Hansaem Jang, Joey D. Ocon, Seunghwa Lee, Jae Kwang Lee, and Jaeyoung Lee, Journal of Power Sources, 296 (2015): 433-439. “Caffeine Improves the Performance and Thermal Stability of Perovskite Solar Cells,” Rui Wang, Jingjing Xue, Lei Meng, Yonghai […]

Six Cups of Coffee Goes to Your Head, for Surgical Guidance [research study]

A special hat filled with six cups’ worth of ground coffee may make it easier for surgeons to succeed at some kinds of nose and throat surgery. This study presents the news: “Coffee: the key to safer image-guided surgery—a granular jamming cap for non-invasive, rigid fixation of fiducial markers to the patient,” Patrick S. Wellborn […]