What to know before you buy an espresso machine or coffee maker How do espresso machines work? A home espresso machine is a smaller version of the espresso machines found in coffee shops.

That expresso you're sipping? It started to lose its flavor right after it was brewed. How do you keep that cup from totally ...

We asked coffee experts and barista trainers to tell us the secrets behind the perfect espresso shot, and then tested the machines you can use at home to make them.