quantum dots

A Californian company says it has developed a revolutionary new way of capturing digital images. It could mean cellphone cameras take shots four times more detailed than current models, putting professional quality capabilities in everyone's pocket. ... At the moment, digital cameras work by capturing light on a sensor chip, a layer of silicon effectively broken up into millions of points. The information from each of these points is converted into digital format, with each point's information being one pixel in the captured image -- hence the term 'megapixel' which is used to describe how many ... (view more)