measurement

A Measuring Stick (@wanderingstan remix)

Thanks to Stan the art of calligraphy is in good hands.
His 'word of the day' series, is the only reason i am in twitter.

Wobbling Shadows and Flickering Lights

Shining a light onto a suspended object against a surface projects a shadow, an aspect of the real thing. Imagine we have no access to the object, but only to its projected shadow. Imagine we can move a point light around the obstruction, a transformation, and we can choose the shape of the projection surface.