Ever had an idea for something that looked cool, but wouldn't work well in practice? When it comes to designing things like ...

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.

This proactive tool monitors electrical flow to help protect your home from hidden fire hazards, and might be available for free from your home insurance company Written By Written by Staff senior ...