News tagged with light sensing cells

Historic first images of rod photoreceptors in the living human eye

Scientists today reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers ...

Physics / Optics & Photonics

created Jun 08, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Sharp-eyed robins can see magnetic fields

(PhysOrg.com) -- It has been known for decades that some birds are able to sense the Earth's magnetic field and set their direction as if following a compass heading, which is an extremely useful ability for ...

Biology / Plants & Animals

created Jul 09, 2010 | popularity 4.6 / 5 (43) | comments 15 | with audio podcast report

Bright lights, not-so-big pupils

A team of Johns Hopkins neuroscientists has worked out how some newly discovered light sensors in the eye detect light and communicate with the brain. The report appears online this week in Nature.

Medicine & Health / Medical research

created Dec 31, 2008 | popularity 4.2 / 5 (6) | comments 2




Search results for light sensing cells


It's in the genes: Research pinpoints how plants know when to flower

Scientists believe they've pinpointed the last crucial piece of the 80-year-old puzzle of how plants "know" when to flower.

Biology / Biotechnology

created May 25, 2012 | popularity 4 / 5 (10) | comments 2 | with audio podcast

Wearable electronics - the next fashion fad?

(Phys.org) -- When most of us think of electronics, we think of the sturdy stability of silicon and plastic. Flexibility is a trait that belongs to the organic world, where materials come in all shapes and ...

Technology / Hi Tech & Innovation

created May 23, 2012 | popularity not rated yet | comments 0

Seeing color traced back to genetic mutations

From the inside of our heads, it feels as if colors are intrinsic aspects of the outside world and our eyes are beautifully designed to see them. But we humans are merely sampling the possible ways of sensing the spectrum ...

Biology / Evolution

created May 21, 2012 | popularity 4.9 / 5 (11) | comments 4

Research group creates highly sensitive photodetector from graphene and quantum dots

(Phys.org) -- Researchers in Spain have succeeded in building a photodetector that is a billion times more sensitive than other such detectors based on graphene and could herald the use of graphene based light ...

Nanotechnology / Nanophysics

created May 15, 2012 | popularity 4.4 / 5 (7) | comments 3 | with audio podcast report

Plant enzyme's origins traced to non-enzyme ancestors

(Phys.org) -- As plants began to transition from aquatic habitats to dry land some 500 million years ago, their needs changed. Those primitive ancestors of modern plants were ill-equipped to survive in a dry, sunlight-blasted ...

Biology / Biotechnology

created May 13, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Beaming up on the way to space

(Phys.org) -- Space may be the final frontier. But often a few trips to PML are necessary before things can get off the ground. One recent case in point is the test of an instrument called the Extreme Ultraviolet ...

Physics / General Physics

created May 07, 2012 | popularity 5 / 5 (4) | comments 0

Researchers develop new way to generate superluminal pulses

(Phys.org) -- Researchers at the National Institute of Standards and Technology (NIST) have developed a novel way of producing light pulses that are "superluminal"—in some sense they travel faster than ...

Physics / General Physics

created May 03, 2012 | popularity 5 / 5 (6) | comments 32 | with audio podcast

Compressed sensing allows super-resolution microscopy imaging of live cell structures

(Phys.org) -- Researchers from the Georgia Institute of Technology and University of California San Francisco have advanced scientists’ ability to view a clear picture of a single cellular structure in ...

Nanotechnology / Nanophysics

created Apr 23, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

New light technology could spot and help cure diseases earlier

World-leading experts at the University of St Andrews have been awarded a £5.6m grant to develop new light technologies which could improve diagnosis and treatments of diseases by being able to see into ...

Physics / General Physics

created Apr 19, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Detecting malaria early to save lives: New optical technique promises rapid and accurate diagnosis

Correctly and quickly diagnosing malaria is essential for effective and life-saving treatment. But rapid detection, particularly in remote areas, is not always possible because current methods are time-consuming ...

Physics / Optics & Photonics

created Apr 18, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast


List of search results for light sensing cells