foam
Whipped Cream
Foam or fibre insulation.
When a woman becomes aroused, the inside of her lady parts becomes moist. Frothy even. Almost like a foam. In turn, if she becomes more aroused the foam will expand.
Most foam mattress toppers have a beige or white colored covering. The foam on the inside of the mattress topper may be any color, grey, white, blue etc.
Foam is a substance that consists of two states of matter: a gas and a liquid or solid. The liquid or solid traps the gas inside.
well actually nothing it just has air inside it .!?But not always it can have foam in it too.
Refrigerators and freezers have plastic foam core as it is the most resistant to the low temp inside the compartment,but even Teflon can be used
Spray foam works as insulation due to a chemical reaction that occurs when the spray foam is introduced to oxygen in the air. Inside the can, there is no oxygen and the can forms an air tight seal. The oxygen that reacts with the spray foam causes the foam to expand from five to ten times its size, thus filling all cracks and crevices.
Bicycles helmets are made of a tough foam padding on the inside and a liner made of polystyrene foam. The liner absorbs the bulk of the energy upon collision.
Heat cannot travel through the foam material so the drink stays well insulated inside the foam cup.
A softball is made of leather on top and yarn or string to hold the two pieces of leather together. Inside is compresed foam or urithane foam.