Astronomers who scan the skies for returning comets are often disappointed. Sometimes these icy visitors from the fringes of our planetary system end up being much fainter than predicted.
University of Utah engineers have developed a polarizing filter that allows in more light, leading the way for mobile device displays that last much longer on a single battery charge and cameras that can shoot in dim light.
VISTA stares deep into the cosmos: Treasure trove of new infrared data made available to astronomers
(PhysOrg.com) -- ESO's VISTA telescope has created the widest deep view of the sky ever made using infrared light. This new picture of an unremarkable patch of sky comes from the UltraVISTA survey and reveals more than 200 ...
(PhysOrg.com) -- Sometimes when people talk about solar energy, they tacitly assume that we're stuck with some version of the silicon solar cell and its technical and cost limitations. Not so.
Scientists in Hong Kong said Monday they had made a "breakthrough" discovery in how animals see and react to changing light conditions, which could ultimately help fight a range of human diseases.
(PhysOrg.com) -- As a child in Mali, Abdrahamane Traore often did his homework by the sooty, dim light of a kerosene lamp.
Exposure to even dim light at night is enough to cause physical changes in the brains of hamsters that may be associated with depression, a new study shows.
Persistent exposure to light at night may lead to weight gain, even without changing physical activity or eating more food, according to new research in mice.
(PhysOrg.com) -- Lighting accounts for about one-quarter of the electricity consumed by the commercial sector in the United States and energy-efficient lamps, ballasts, and lighting controls represent significant opportunities ...
Think twice before falling asleep alongside the glare of your computer and TV screens: exposure to dim light from ordinary room lights, computer screens and other electronic devices late at night may be interfering with our ...