PCM RSS
What Temperature Does a Cooling Neck Ring Activate At?
What the 64F (18C) activation point of a cooling neck ring means, why it is the sweet spot for comfort and safety, and why a warm counter will not re-freeze it.
What's Inside a Cooling Neck Ring (and How PCM Actually Works)
A plain-English look at what a cooling neck ring is made of and how phase change material keeps you cool.
From NASA Spacesuits to Your Neck: The History of Phase-Change Cooling
How phase-change cooling traveled from a 1948 solar house and NASA-funded astronaut gloves to the chilled ring you wear on your neck.