The world might run out of a crucial ingredient of touch screens. But don't worry, we've invented an alternative
- Written by Behnam Akhavan, Senior Lecturer, ARC DECRA Fellow, School of Biomedical Engineering and School of Physics, Sydney Nano Institute, University of Sydney
Timothy Muza/Unsplash, CC BY-SAHave you ever imagined your smart phone or tablet without a touch screen? This could soon be the case if we run out of indium, one of the rarest minerals on Earth.
Indium is used in many high-tech devices such as touch screens, smart phones, solar panels and smart windows, in the form of indium tin oxide. This...

















