This gadget tells you if you smell so others don't have to
 

Ever had to rush somewhere and begun to worry that you stink like a teenage locker room? Well, thankfully, there's now an app that can measure exactly how badly you smell. Connecting to your smartphone via Bluetooth, Kukun Body is a pocket-sized devi...

https://www.engadget.com/2017/07/13/...-if-you-smell/