What Exactly Is Espresso?

We all love a well-made espresso, its strong aroma yielding to that first energy-boosting sip early in the morning. But what is it exactly, and how is it made? Luckily, our friends at ChefSteps wrote in to shine some light (roast?) on the matter. A video with some informative insight about the tricky little beverage just might make you respect your local bearded hipster barista that much more tomorrow morning.