When you get a cup of coffee from a vending machine, are you getting a soupćon of ink in your drink? This study looks into that question: “Determination the Set-Off Migration of Ink in Cardboard-Cups Used in Coffee Vending Machines,” Esther Asensio, Teresa Peiro, and Cristina Nerín, Food and Chemical Toxicology, epub 2019. The authors, […]
Tag: Coffee
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 […]
Adding broccoli powder to coffee—A new taste sensibility
“Green, nutrient-rich coffees may be on the horizon after researchers have developed a powder made from imperfect-looking broccoli that would have previously been wasted,” says a press release sent out earlier this year by CSIRO, Australia’s national science agency. Mary Ann Augustin is the lead researcher on the experiment. Ashitha Nagesh wrote an essay about this […]
Counter-Rotation Inside a Glass of Beer Shaken Stirringly
A round of surprise appears in a glass of beer—or a glass of coffee or tea—when you shake it stirringly. Details are in this study: “Counter-Rotation in an Orbitally Shaken Glass of Beer,” Frédéric Moisy, J. Bouvard, and Wietze Herreman [pictured below], EPL [Europhysics Letters], vol. 122, no. 3, no. 34002, 2018. The authors, at Université […]