mrspoonsi writes: Problem: how do they manufacture low-cost products with high-resolution screens? NVIDIA researchers have one solution — stack two low-resolution panels on top of each other to increase pixel density on the cheap. The solution is so simple it sounds ridiculous, but apparently, it works. Researchers disassembled two 1,280 x 800 LCD panels and rebuilt them into a single display with slightly offset pixels, a filter to weed out polarization conflicts and a bit of customized software to force the display components to work in tandem. NVIDIA calls the resulting prototype a "cascaded display," and in tests it has quadrupled the spatial resolution of the original panels (thanks, in part, to how the pixel offset crams an additional four pixels behind every one of the first panel's visible pixel).