Inspired by the color-changing skin of squids and other cephalopods, researchers have developed a flexible screen capable of storing and displaying encrypted images without using electronics – just ...

But therein lies the longstanding rub: an unresolved bug that spans many years. The big win of Apple’s photo screen savers is that they let you select photos from your Photos library or a folder.

Samsung is still a few generations away from perfecting its foldable display, as evidenced by the still present crease and still fragile plastic screen protector on top. That, however, doesn't mean it ...