![](https://static.dezeen.com/uploads/2020/08/stealth-mouth-authentification-design_dezeen_2364_sq-1-411x411.jpg)
Stealth is an identification gadget that grants access to devices via the roof of your mouth
A team of design graduates have developed a wearable device that is hidden in the mouth as a "surveillance-proof" authentication method that could replace fingerprints and facial recognition. More