Starting in 2010 when Apple made the retina display and display quality a central theme for their product marketing, displays have moved up from the doldrums into an unprecedented renaissance of new display technologies for smartphones, tablets, TVs, and entirely new classes of products like wearable displays.
I know, I know. You're probably wondering how exciting parabolas can actually be, right? Well, it turns out that, in the remarkably capable hands of mathematical rambler/artist/stream-of-conscious-doodle-wizard Vi Hart, the answer is: pretty damn interesting.
Unlike traditional escalators, the Levytator's steps follows freeform curves which enables it to bend and turn like no escalator can. With the Levytator, it's no longer just up and down.