regular water glass or a coffee mug, a wine glass has a wide bowl that tapers inward at the top. This isn’t just to make it look fancy.
Wine needs to “breathe.” When wine meets the air, oxygen mixes with the liquid and magically unlocks all the hidden aromas and flavors. If you are drinking a red wine, those aromas are trapped inside the bottle and need space to stretch out.
Furthermore, true wine lovers adore doing “the swirl.” Swirling your wine increases the surface area exposed to oxygen, releasing beautiful scents of berries, oak, or spices.
Now, let’s look back at our image with this scientific knowledge in mind. If you fill a glass all the way to the top like Glass 4, what happens? You have absolutely zero room to swirl.
If you try, you will splash red wine all over yourself. More importantly, there is no empty
