June 11, 2016
Physics/Chemistry of Espresso Machines: Part 1
Here’s an activity based on observing espresso machines in action. Watch the following video showing the milk steaming container (with a short sidetrack to the espresso pot). What do you notice about the milk as it steams? Can you explain what is happening? Here are some details of how this espresso machine works: The water boiling tank is filled about...