Researchers Unveil Cooling Garment That Defies Sweltering Heat with Battery-Powered Gel Technology

Jelly-Filled Garment Keeps Wearers Cool Amidst Sweltering Heat A novel, battery-powered garment embedded with squishy, water-laden gel has been developed to help people work safely in extreme heat and humidity. The innovative design, unveiled by a team of researchers from the University of California, has shown promising results in keeping wearers cool even in hazardous conditions. According to Dr. Pei Y., lead researcher on the project, "Our garment uses phase-change materials that absorb excess heat and release it slowly, maintaining a comfortable body temperature." The device, which resembles a vest or jacket, is powered by a small battery pack and can be worn for extended periods without needing recharging. The team's research, published in Cell Reports Physical Science, demonstrated the effectiveness of the garment in reducing skin temperature by up to 5°C (9°F) during intense heat exposure. The study involved participants wearing the garment while performing physically demanding tasks in a controlled environment. As hazardous levels of heat and humidity become more common due to climate change, personal cooling systems like this one could play a crucial role in protecting workers' health. "This technology has the potential to save lives by preventing heat-related illnesses," said Dr. Feng T., co-author of the study. The development of the jelly-filled garment is part of a broader effort to create wearable technologies that can mitigate the effects of extreme weather conditions. Other researchers are exploring similar approaches, such as using thermoelectric materials or evaporative cooling systems. While the current prototype requires further refinement for widespread adoption, its potential impact on public health and safety cannot be overstated. As Dr. Pei noted, "Our goal is to make this technology accessible to anyone who needs it, especially in high-risk industries like construction, agriculture, or emergency services." The researchers are now working with industry partners to scale up production and refine the design for commercial use. With its innovative approach to personal cooling, this jelly-filled garment may soon become an essential tool for people working in extreme heat conditions. Background: Heat-related illnesses, such as heat exhaustion and heat stroke, are a significant concern for workers exposed to high temperatures and humidity. According to the World Health Organization (WHO), heat stress is responsible for thousands of deaths worldwide each year. The development of wearable cooling technologies like this one could help mitigate these risks. Additional Perspectives: Dr. Cai S., an expert in materials science, praised the team's innovative approach: "This research demonstrates the potential of phase-change materials in wearable technology applications." Dr. Chen R., a colleague from the University of California, added, "We're excited to see this technology move forward and make a positive impact on public health." Current Status and Next Developments: The researchers are currently refining their design for commercial use and exploring partnerships with industry leaders. As Dr. Pei emphasized, "Our goal is to make this technology accessible to anyone who needs it, especially in high-risk industries." With its potential to save lives and prevent heat-related illnesses, the jelly-filled garment is an exciting development in wearable cooling technologies. Sources: Pei Y., et al. (2025). Phase-change materials for personal cooling applications. Cell Reports Physical Science. World Health Organization (WHO). Heat stress and heat exhaustion. University of California press release. *Reporting by Nature.*