There are powered, heated mirrors that don't fog up at all, surprisingly!
Zadro sells several fog resistant mirriors, along with spray solutions you can apply to your mirrior to make them more fog resistant by repelling water.
so they dont fog up. and u can see
When vapor makes contact with your mirror it will stick on which will fog up the mirror. This will happen mostly when you take hot showers.
Magnifying mirrors, make-up mirrors, telescopes
To prevent your shower mirror from fogging up, you can try applying a thin layer of shaving cream or dish soap to the mirror and then wiping it off. This can help create a barrier that prevents fog from forming. Alternatively, you can also use a store-bought anti-fog spray or wipe specifically designed for mirrors.
Upslope fog
It is not normal for a military gas mask to fog up.
Steam fog is fog that that comes off of water. It comes up when it is really ht outside.
Both concave and convex mirrors will distort the image of the face if used when applying make-up. Which is why flat mirrors are used instead.
Fog lamps on a car show up a lot more in the fog than other lamps simple because they are much brighter. It is therefore advised that you only use them in extreme cases of fog as it can cause issues for other drivers if you have your fog lights on when there is little to no fog.
Mirrors in flashlights and headlights, mirrors for shaving or make up. A mirror to make objects look bigger.
The substance that goes into a fog machine to create the fog effect is typically a special type of liquid called fog fluid or fog juice. This liquid is heated up inside the fog machine, turning it into a mist or fog that is then released into the air.