Micrometres-thin battery charged by saline solution could power smart contact lenses
![](https://superinnovators.com/wp-content/uploads/2023/08/Low-Res_Image_1-1.jpg)
From Nanyang Technological University 25/08/23 Scientists from Nanyang Technological University, Singapore (NTU Singapore) have developed a flexible battery as thin as a human cornea, which stores electricity when it is immersed in saline solution, and which could one day power smart contact lenses. Smart contact lenses are high-tech contact lenses capable of displaying visible information […]