How Do Retroreflectors Give You Super Vision at Night?

How Do Retroreflectors Give You Super Vision at Night?

When a beam of light hits a super-shiny object like a mirror, it reflects off it in a very particular way.Photograph: Rhett AllainFor both of them, their light hits the mirror at the same angle that their light also reflects from the mirror—but in the opposite direction.

Creative iPad Pro Apps: Procreate, SketchBook, Assembly, Comic Draw

Creative iPad Pro Apps: Procreate, SketchBook, Assembly, Comic Draw

Autodesk’s app converts the photo into a digital line drawing. Add layers using all the brushes, rulers, shapes, and curve tools you’d expect from the makers of AutoCAD. You get tools for drawing, inking, and coloring, and the app even helps with the tricky part: lettering.