• Well Calvin, a two-way mirror is just two one-way mirrors stuck together, back to back, so that you can look at it from two ways.

    Similarly, a three way mirror is three one-way mirrors stuck together to make a triangular prism, so that you can look at it from three ways.

  • A lot like one way mirrors, but depending on local laws each way may be divided by a dashed or unbroken line depending on if one is allowed to pass or not. Alice went both ways and they wrote a few books about her. After that they started making mirrors mostly one way to avoid mischief. But some horror movies and law enforcement still use two way mirrors just because they can.

  • They reflect the normal left to right, but also reflect up to down when using polarized light. Unfortunately, people can't see polarized light, so we just have to trust what the scientists say.

  • If you look at it from one side, you see yourself looking back at you. If you look at it from the other side, someone else is looking back at you.

  • A rearview mirror is an example of a two-way mirror. You can use it when driving to your destination, and it will also work on your way back. If it can be used everywhere it is called an all-way mirror - because it is always a mirror! -=or a no(particular)-way mirror or simply, mirror.

  • They are actually portals to another dimension. Be careful , they are dangerous.