News tagged with photoreceptor

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Nov 17, 2011 feature
4.3 / 5 (71) 14 | with audio podcast

Evolutionary bestseller in image processing

The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...

Nov 10, 2010
5 / 5 (7) 0 | with audio podcast

Ants pay high price for night life

(Phys.org) —Despite being night creatures, Australian bull ants have trouble finding their way home in the dark. Scientists at Australia's Vision Centre (VC) have found that bull ants that travel at night ...

May 28, 2013
5 / 5 (5) 0 | with audio podcast