The Hedgehog Go is the world’s first dual-purpose dryer for both hair and winter gear, but does it actually work? I tested it on my own hair and winter accessories.

Abstract: Advances in camera-based physiological monitoring have enabled the robust, non-contact measurement of res-piration and the cardiac pulse, which are known to be in-dicative of the sleep stage ...

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.