![100 stealth The mask's curvature blocks facial recognition from all angles. HKU van Leeuwenstein - iFunny 100 stealth The mask's curvature blocks facial recognition from all angles. HKU van Leeuwenstein - iFunny](https://imageproxy.ifunny.co/crop:x-20,resize:640x,quality:90x75/images/73fc4e937f1a3649bb585d1ca5ca03de165f088e5d9cc0b5a936d1de3d7e8fdd_1.jpg)
100 stealth The mask's curvature blocks facial recognition from all angles. HKU van Leeuwenstein - iFunny
![Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU](https://www.hku.hk/f/news/21621/900p600/2020_Nanofibrous%20face%20mask_5.jpg)
Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU
![Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU](https://www.hku.hk/f/news/21621/900p600/2020_Nanofibrous%20face%20mask_6.jpg)
Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU
![Hong Kong university data model predicts peak of coronavirus fifth wave, tenfold drop in infections over 1 month | South China Morning Post Hong Kong university data model predicts peak of coronavirus fifth wave, tenfold drop in infections over 1 month | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/d8/images/canvas/2022/03/08/5ef1a712-b52d-4167-a21c-c0412ba8b58c_d70c7a0d.jpg)
Hong Kong university data model predicts peak of coronavirus fifth wave, tenfold drop in infections over 1 month | South China Morning Post
![Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU](https://www.hku.hk/f/news/21621/900p600/2020_Nanofibrous%20face%20mask_4.jpg)
Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU
![HKU Medicine on Twitter: "Q: Are DIY masks better than nothing? A: DIY masks can help reduce the amount of microbes expelled from a cough or a sneeze, but its effectiveness is HKU Medicine on Twitter: "Q: Are DIY masks better than nothing? A: DIY masks can help reduce the amount of microbes expelled from a cough or a sneeze, but its effectiveness is](https://pbs.twimg.com/media/ESv2W54UcAEhu0V.jpg:large)
HKU Medicine on Twitter: "Q: Are DIY masks better than nothing? A: DIY masks can help reduce the amount of microbes expelled from a cough or a sneeze, but its effectiveness is
![Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU](https://www.hku.hk/f/news/21621/900p600/prototype.jpg)
Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - All News - Media - HKU
![Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU Fight COVID-19: HKU Engineering student team invents reusable nanofibrous face mask - Press Releases - Media - HKU](https://www.hku.hk/f/news/21621/900p600/2020_Nanofibrous%20face%20mask_3.png)