Afternoon Delight is a daily diversion for when you’re just back from lunch, but not quite ready to knuckle down to work. Check back weekdays at 1 p.m. for another one.

Remember that scene in Bladerunner when Deckard (Harrison Ford) has a photo of a shadow-filled room and puts it through a computerized enhancer (an ESPER)? And the machine actually seems to be able to peer around corners in the photo?

In that case, a handy mirror allows the light-bending to work. But here’s how it can happen — with the right camera.