A Mirror or a 2-Way Glass? Watch out ladies!

How can you tell when you are in a room, restroom, motel etc. with a mirror or a 2-way glass?

Here’s how: I thought it was quite interesting! And I know in about 30 seconds you’re going to do what I did and find the nearest mirror.

Do you know how to determine if a mirror is 2-way or not? A policewoman who travels all over the US and gives seminars and techniques for businesswomen passed
this on.

When we visit toilets, bathrooms, hotel rooms, changing rooms, etc., how many of you know for sure that the seemingly ordinary mirror hanging on the wall is a real mirror, or actually a 2-way mirror (i.e., they can see you, but you can’t see them)? There have been many cases of people installing 2-way mirrors in female changing rooms. It is very difficult to positively identify the surface by looking at it.

So, how do we determine with any amount of certainty what type of mirror we are looking at?









Just conduct this simple test: Place the tip of your fingernail against the reflective surface and if there is a GAP between your fingernail and the image of the nail, then it is GENUINE mirror. However, if your fingernail DIRECTLY TOUCHES the image of your nail,  then BEWARE! IT IS A 2-WAY MIRROR!

“No Space, Leave the Place” So remember, every time you see a mirror, do the “fingernail test.” It doesn’t cost you anything.

REMEMBER. No Space, Leave the Place:
Ladies: Share this with your girlfriends, sisters, daughters, etc.

Men: Share this with your wives, daughters, daughters-in-law, mothers, girlfriends and/or friends.


3 thoughts on “A Mirror or a 2-Way Glass? Watch out ladies!

  1. TravelRNjobsOrg November 22, 2010 at 11:09 pm Reply

    This is because normal mirrors consist of a piece of glass whose back is lined with aluminum (or some other reflective metal). The layer of glass is between you and the silver lining, so the “gap” you see is actually the thickness of the glass. With two-way mirrors, the reflective lining is usually on your side of the glass — so there’s no gap. This isn’t always the case, but it’s a good way to tell.

  2. Mythbuster January 11, 2011 at 1:25 pm Reply

    I tried this ‘test’ in my own home and what I found was…. mirrors of over a certain ‘thickness’ will give you that gap…. so it has nothing to do with where the foil is placed… and everything to do with ….. the thickness of the glass…. I didn’t get the gap on two large but ‘inexpensive’ mirrors in my house…. on all of the ‘heavier’ ones…. I got the gap.

  3. hoaxbuster April 4, 2011 at 4:51 pm Reply

    This stuff about the fingernail test is a hoax. Its not clear why anyone would have started this hoax or why anyone would want to perpetuate it. The reality is well explained on the following webpage near the bottom.


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