If you’ve used or seen color-changing cups before, you may wonder how they work. The main idea, or “magic,” behind them is heat-sensitive technology Once you fill the cup with your favorite iced beverage, it will quickly change to a fun ombre hue design. How do the color-changing Starbucks cups work? If you’ve used or … Read more
The longer the roasting process lasts, the darker the resulting bean and the more oily the bean will look coffee beans contain natural oils that escape from the bean’s interior once the bean passes a certain roast level. Why are some coffee beans oily and others dry? It’s actually very normal for fresh, dark-roasted coffee … Read more
After first crack, the roast changes from an endothermic reaction (the beans absorb heat from the drum) to an exothermic one (the beans release heat). During this stage, the physical transformations continue – beans increase in porosity, oils migrate to the walls of the cell, and the color darkens Which of the chemical reaction occur … Read more
Silvio says that while glass cups don’t affect the flavour of coffee , “they don’t retain heat as well as ceramic cups”. As the temperature of coffee affects its flavour, it is good to make sure your coffee stays hot, but not scalding, while you drink it. What cups are used for coffee? ceramic coffee … Read more