For whatever length of time the thermos maintains a food temperature above 135°F, plus an hour or maybe two. You will need to test the temperature-holding capabilities yourself, since that can vary with the type of food, starting heat and the ambient conditions. And you'll need a thermometer to do it.
Pre-heating the thermos with hot water should prolong the appropriate holding time.
The danger range for food safety is 40-140 F in between that range bacteria will grow.
keep it in a hot place
Long Johns for pants thermos but I dont know what the shirts are called.
you fill the thermos bottle with liquid in gas occlusion's
If you look inside of a thermos you will see metal. This absorbs the heat or the cold and keeps it that way for as long as the contents are in the thermos.
To keep a thermos hot, pre-heat the thermos with boiling water before adding the hot liquid. For cold beverages, pre-chill the thermos with cold water or ice cubes. Keep the lid tightly closed to maintain the temperature inside.
A thermos is a container that will keep beverages hot.
A thermos would measure the net molecular motion, which is translated into heat. How hot something is. How cold something is is all relative to our sense of touch.
Yes, it can also keep things cold.
Utility
Put them in a thermos :D
To keep drinks hot, you can use an insulated thermos or travel mug that is designed to maintain heat retention. Make sure to preheat the container with hot water before filling it with your drink. Avoid leaving the lid off for too long, as this can cause heat to escape.
A thermos will generally keep either a hot item hot or a cold item cold. you can use them for things like cold drinks, soup, hot chocolate, or pretty much any liquid you want to keep the same temperature.