Well I am not really sure but I think if you use dirt it keeps things cold but you probably will not be able to use dirt so I am not sure.
The answer lies in INSULATION. To slow the amount of warming from the outside.
Try readily available insulators like polystyrene beads or packaging, or loft insulation. Use a double skin container, with the insulation between the two. Make sure you cover the top and bottom, as well as the sides.
It uses insulation which reduces the amount of heat entering the container by reducing the effects of conduction.
If the water is cold, you can keep it cold by storing it in a well insulated container, ideally a vacuum flask, or failing that, a Styrofoam chest. That doesn't keep it cold indefinitely, but it does keep it cold longer than if you did not use an insulated container. Also, even if you do not have electricity or ice boxes, you may still be able to buy a bag of ice. Many stores sell them.
A normal plastic cup.
There is no real answer as to how long a Stubby holder will keep a drink cold only that it does keep it cold. There's even a scientific study done by the University of Washington in Seattle that proves they keep a drink cold by reducing the condensation.
Yes.
a thermos?
A flask. It also keeps drinks hot.
it is ice chest
use a metal container to keep a drink very full
It uses insulation which reduces the amount of heat entering the container by reducing the effects of conduction.
Milk will probably work fine, if you can keep it cold.
Only if it is in a sealed container and the car is as cold as a refrigerator.
It uses insulation which reduces the amount of heat entering the container by reducing the effects of conduction.
It uses insulation which reduces the amount of heat entering the container by reducing the effects of conduction.
How do you build a pressurized system for a container system?
when cold and warm air are added in the same container it causes water.
A thermos is a container that will keep beverages hot.