Mood Ring Working Principle

Mood rings contain thermotropic liquid crystals inside the stone or the band of the mood ring.

Mood ring working principle. Mood rings are novelty rings invented and popularized in the 1970s that supposedly change color according to the wearer s emotions or mood. The theory behind the mood ring is that your emotional state will be revealed by the corresponding colors of the mood ring. In the original mood ring the color blue was supposed to indicate that the wearer was happy green when she was calm and brown or black when she was anxious. These liquid crystals are able to show different colors at different temperatures.

Mood rings can t tell your emotional state with any degree of accuracy but the crystals are calibrated to have a pleasing blue or green color at the average person s normal resting peripheral temperature of 82 f 28 c. Entrepreneurs from new york maris ambats and josh reynolds came up with the first mood ring in 1975. While a mood ring. As peripheral body temperature increases which it does in response to passion and happiness the crystals twist to reflect blue.

A mood ring is a ring usually made of thermochromic elements the colors of which change based on shifts in the temperature of the finger of the person wearing it. Mood rings surfaced as a fad in the 1970s and have remained popular ever since. Do mood rings work. How mood rings work.