Self-powered device measures lung function - CES 2015

The video discusses the constant energy generation by the human body and introduces a device called Vital Flow, developed from a student project. Vital Flow is designed to help individuals with asthma or COPD measure their lung function without needing to visit a medical facility. The device is portable and easy to use, allowing users to measure their lung function and transmit the data to their phone.

What new insight or understanding did you gain from this video?