Emulsion
Ice Cream Science: Why It's Creamy and Not a Block of Ice
Why ice cream is creamy instead of a solid ice block: tiny ice crystals, churned-in air, sugar working as antifreeze, and stabilizers that fight iciness.
IntermediateWhipped Cream Science: Why Cream Turns to Foam
Why heavy cream whips into a stable foam, why cold matters, how sugar and gelatin stabilize it, and the exact point where whipped cream turns into butter.
BeginnerWhy Some Cheeses Melt Smooth and Others Turn to Greasy Strings
Why mozzarella melts into smooth strings while parmesan can grease out and clump, how cheese age and calcium decide the result, and what sodium citrate fixes.
Intermediate