dartmouth college

Cheap Projector Uses Prisms To Create Colour Images From B&W Source

Cheap Projector Uses Prisms To Create Colour Images From B&W Source

Before LEDs and lasers came along, video projectors would shine white light through a rotating colour wheel to produce full-colour images. But researchers at Dartmouth College and Disney Research Zürich have come up with a more unusual projection approach using prisms and very precise computer-generated black and white images.