Is the selfie camera how others see you?

According to multiple videos sharing the trick for taking selfies, holding the front camera to your face actually distorts your features and isn't actually giving you a clear representation of how you look. Instead, if you hold your phone away from you and zoom in, you will look completely different.

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Also, is a selfie how others see you?

Photos will show you a completely different perspective on your face then a mirror would. That being said, a smartphone camera shows your face as OTHERS see it. This can be pretty compromising as smartphone selfie is almost always worse than your reflection in the mirror. Moreover, does a mirror reflect radiation? A mirror can reflect electromagnetic radiation as long as it is conducting and the surface smoothness is suitable to the wavelength (meaning the roughness of the surface is all relative to a wavelength of the light to be reflected).

Regarding this, do mirrors off gas?

Since glass itself it a natural material, mirrors are an inherently green materials. They do not off-gas and glass is one of the most commonly recycled materials in the world. How do dielectric mirrors work? Dielectric mirrors function based on the interference of light reflected from the different layers of dielectric stack. This is the same principle used in multi-layer anti-reflection coatings, which are dielectric stacks which have been designed to minimize rather than maximize reflectivity.

What is the first thing you should see when you walk into a bedroom?

The foot of the bed should be placed furthest from the door so its the first thing you see as you walk into a bedroom.