Eine Firma namens Tactus hat einen haptischen Touchscreen vorgestellt, auf dem eine 200 Nanometer (0,0002mm) dicke elastische Schicht mit einer Flüssigkeit Buttons und Tasten erscheinen lassen kann. Von Singularity Hub:
The Tactile Layer replaces the glass or plastic that normally sits on the touchscreen sensor and display. The layer is about 0.75mm to 1mm thick, and at its top sits a deformable, clear layer 200 nm thick. Beneath the clear layer a fluid travels through micro-channels and is pushed up through tiny holes, deforming the clear layer to create buttons or shapes. The buttons or patterns remain for however long they are needed, just for a few seconds or for hours when you’re using your iPad to write that novel. And because the fluid is trapped inside the buttons, they can remain for however long without additional power consumption. They come or go pretty quickly, taking only a second to form or disappear. And when they’re no longer needed, the buttons recede and you’re left with a touchscreen indistinguishable from any other Tactus-less touchscreen.