No.. Since a thermo keeps my drinks hot enough.
Probably when you are on a camping or hunting trip to keep from taking a thermos. Or maybe anytime you want coffee but don't feel like making any. It's a pretty neat product for whenever you "have to have" your coffee and McDonald's is nowhere nearby.
Sterno.
yeah but figure it out your self
Self-heating meals would be useful during outdoor activities like camping, hiking, or boating where access to a stove or microwave is limited. They can also be handy during emergencies like power outages or natural disasters when traditional cooking methods are not available.
A portable toilet is a modern, portable, self-contained outhouse manufactured of molded plastic in a variety of colors and is often used as a temporary toilet for construction sites and large gatherings and events.
Hi, The name of Russian self-heaitng cans is 2GO.
self heating or pyrophoric materials
The hot air needs to go somewhere. If it was not vented, it would end up back inside, thus negating the effects of the air conditioning.
Some portable AC options that do not require a window vent for installation include evaporative coolers, portable air conditioners with self-evaporating technology, and personal air coolers.
A PTC (Positive Temperature Coefficient) heating element is a type of heating element that increases resistance as temperature rises. This characteristic allows the heating element to self-regulate its temperature, providing a safety feature to prevent overheating. PTC heating elements are commonly used in appliances such as hair dryers, irons, and space heaters.
Friction from the road heating the tires and transferring to the wheels and the brakes friction heating the wheel its self and/or the rims.
no because it can hurt u and you can die