The polariscope takes its name from the fact that ... The effect can also be observed as colored areas in other plastic materials as well. It’s an interesting tool which can help anyone who ...

[Abhimanyu Kumar] was watching YouTube videos one day when he came across something called a Polariscope — After learning how it worked, he discovered you can make your own using household items!

Check liquid in glass thermometers for stress and strains. As polarized light travels through strained glass or plastic, it undergoes a retardation proportional to the amount of stress. A Polariscope ...