Prevention of Peeping: Four Ways to Identify Peeping Double Mirrors

The first trick: look at the distance with your finger in the mirror.

One of the easiest ways to make a rumor online is to point your finger at the mirror. Put your finger on the mirror. If there is a distance between your fingertips and the image in the mirror, it is a one-sided mirror. If there is no distance between the fingertip and the image in the mirror, it can basically be judged as a double mirror.

The second trick: knock on the mirror to listen to the sound.

Generally, the back of a double-sided mirror is empty, while most single-sided mirrors are mounted on the wall, and there is a wall on the back. Theoretically, the tapping method can be distinguished, but due to the hardness of the mirror, the difference in sound can hardly be heard by tapping, so this method may not be effective.

The third measure: flashlight investigation in the dark

The two mirrors can transmit light to each other, but if the light on the voyeur's side is very dark and there is less light that can pass through the two mirrors, you can't see the scene behind the mirror. Under special circumstances, the light behind the mirror is very strong, and the other side of the mirror is just very dark. If you look closely, you can still see each other.

The fourth measure: the small mirror is brighter than the imaging.

According to the principle of double mirror, in order to let people behind the mirror see the image on the other side of the mirror, it is necessary to let some light from this side pass through. Therefore, when imaging, the light reflected by the double mirror is darker than that reflected by the ordinary mirror. Stick your small cosmetic mirror on the mirror to compare the brightness of the image, and take a picture of your face or the same object. If the brightness of the big mirror is obviously lower than that of the small cosmetic mirror, be careful.

(The above answers were published on 2015-10-19. Please refer to the actual situation for the current purchase policy. )

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