This temporary tattoo can tell you how drunk you are

You guuuuuuuuuuuuuys. How bloody awesome is this???

Scientists have just developed a new flexible, wearable patch that can detect your blood-alcohol level through your sweat.

The temporary tattoo sends the results straight to your smartphone to let you know how drunk you are.

Nanotech scientist Michelle Dickinson joined Paul Henry to explain more - watch the video above!