Little projectors that pack a big punch
Wednesday, May 11, 2016 - 09:31
in Astronomy & Space
An image projected on a slanted or curved surface appears distorted and can appear out of focus in some areas. A high-intensity mini-projector about the size of a Euro cent coin can now correct for this effect. The projector‘s secret: Hundreds on tiny lenses inspired by the model of an insect‘s compound eye.