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Battery-Free Solar-Powered Fabric Heats Up in the Sun

2025-02-01

Researchers at the University of Waterloo have developed a new type of fabric that heats up when exposed to sunlight thanks to embedded nanoparticles. This eco-friendly alternative to traditional heated clothing eliminates the need for batteries or external power sources. The fabric changes color to indicate temperature, is highly stretchable and durable, and shows potential applications in cold-weather rescue and pet clothing.

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No More Needles: Wrist-Based Blood Sugar Tracking

2025-01-05

University of Waterloo researchers have developed a wearable device that can sense glucose levels in diabetics more accurately than ever before. This non-invasive technology uses miniaturized radar technology, eliminating the need for finger pricks and significantly improving quality of life. Similar to weather satellites using radar to monitor the atmosphere, the device analyzes changes within the body to detect glucose levels. Key components include a radar chip, a meta-surface, and microcontrollers, with AI algorithms enhancing accuracy and reliability. Currently in clinical trials, the device holds potential for future applications in monitoring other health data like blood pressure.