How does the thermos know to keep it hot or cold? ?!
Answers:
Built in temperature module!.Www@FoodAQ@Com
A thermos doesn't 'think'!. Whatever temp the contents is remains the same because a thermos is insulated!.Www@FoodAQ@Com
It doesn't care!. The vacuum between the glass inner liner and the outside prevents the transfer of temperature between the contents and the outside world!.Www@FoodAQ@Com
It is insulated, so it will make the temperature change back to room temperature go slower!.Www@FoodAQ@Com
It doesn't!.All it does is keep what goes in at the temperature it goes in at!.Hot or cold!.Www@FoodAQ@Com
it insulated so whatever you put in it will stay the same temperatureWww@FoodAQ@Com
