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The brain's flashy tale
How we perceive the brightness of light may reveal how the brain is wired to handle the wide ranges of light stimulation we encounter every minute. (2004-04-14)
It's not an illusion: Transforming infrared into visible light
Researchers have developed a compound that can transform near-infrared light into broadband white-light, offering a cheap, efficient means to produce visible light. (2016-06-09)
Electrons used to control ultrashort laser pulses
We may soon get better insight into the microcosm and the world of electrons. (2017-03-21)
Twisted optics: Seeing light from a new angle
Researchers have developed a technique to generate miniature light beams that are twisted in orientation, similar in shape to a helix. (2016-07-28)
Ambient light influences the evolution of colour signals
In light-contrasted ecosystems, light and background colours influence evolution of animal coloration. (2004-03-18)
New materials for high efficiency organic solid state lighting
A new organic molecule developed by PNNL scientists may significantly improve the efficiency of organic solid state lighting. (2006-03-30)
Discovered: A new property of light
Researchers have discovered that light can possess a new property, self-torque. (2019-06-27)
Cardiff University engineers give industry a moth's eye view
Scientists at Cardiff University have developed a new lens, based on the eye structure of the moth, which reflects very little light and has a wide number of industrial applications. (2007-11-22)
Beetles stand out using 'Avatar' tech
A new study suggests that jewel scarab beetles find each other -- and hide from their enemies -- using the same technology that creates the 3-D effects for the blockbuster movie, (2010-04-19)
Breakthrough lights up metamaterials
A City College of New York led-team has successfully demonstrated how to both enhance light emission and capture light from metamaterials embedded with light emitting nanocrystals. (2015-01-15)
Latest views of the V838 Monocerotis light echo from Hubble
Hubble has returned to the intriguing V838 Monocerotis many times since its initial outburst in 2002 to follow the evolution of its light echo. (2006-10-26)
Blue light can reduce blood pressure
Exposure to blue light decreases blood pressure, reducing the risk of developing cardiovascular disease, a new study from the University of Surrey and Heinrich Heine University Dusseldorf in collaboration with Philips reports. (2018-11-08)
City moths avoid the light
The globally increasing light pollution has negative effects on organisms and entire ecosystems. (2016-04-13)
UV-B light sensing mechanism discovered in plant roots
Scientists have discovered that plant roots can sense UV-B light and have identified a specific gene that is a vital player in UV-B signaling, the communication between cells. (2008-12-08)
Light continues to echo three years after stellar outburst
The Hubble Space Telescope's latest image of the star V838 Monocerotis (V838 Mon) reveals dramatic changes in the illumination of surrounding dusty cloud structures. (2005-02-03)
Capturing an octopus-eye view of the Great Barrier Reef
A specialized camera that allows scientists to see as reef-dwelling animals do has been built by a team of researchers at the University of Bristol. (2012-01-27)
The superhero semiconductor: Inflexible during the day, but bendy at night
Scientists have discovered that a type of inorganic semiconductor, which doesn't deform well under light, can bend a whopping 45 percent from its original form when in the dark. (2018-05-17)
Light propagation in solar cells made visible
How can light which has been captured in a solar cell be examined in experiments? (2014-12-05)
Polaroid sunglasses let astronomers take a closer look at Black Holes
An international team led by an Edinburgh astronomer have discovered that by studying polarised light from black holes they can focus much more closely on what exactly is going on around them. (2004-11-10)
New way of retaining quantum memories stored in light
A team of Chinese physicists has now developed a way to confine light. (2015-09-30)
Squid 'sight': Not just through eyes
It's hard to miss the huge eye of a squid. (2009-06-01)
Hubble watches super star create holiday light show
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. (2013-12-17)
Surprise mechanism behind light-induced blindness
It has been known for decades that exposure of mammals to constant light for many weeks, even at low or moderate levels, results in severe retinal degeneration and visual impairment. (2004-12-13)
Attosecond physics: A keen sense for molecules
Munich based Laser physicists have developed an extremely powerful broadband infrared light source. (2018-02-23)
Light exposure in the evening improves performance in the final spurt
Athletes often have to compete late in the evening, when they are no longer able to perform at their best. (2017-05-19)
Red light controls signaling in human cells
Optogenetics now enables the development of new methods that can be used like light switches to turn on and off specific processes in cells. (2016-04-25)
Photocatalytic generation of highly reactive alkynes under visible light conditions
In a recent study published in Organic Letters, researchers at Kanazawa University developed a method to generate a highly reactive alkyne, an organic molecule having a C≡C triple bond, from a cyclopropenone, an organic molecule having a strained three membered ring, using a visible light responsive photocatalyst. (2019-08-01)
Latest views of the V838 Monocerotis light echo from Hubble
Hubble has returned to the intriguing variable star V838 Monocerotis many times since its initial outburst in 2002, to follow the evolution of its light echo. (2006-10-27)
The magnetic compass of birds is affected by polarized light -- PNAS study
The magnetic compass that birds use for orientation is affected by polarized light. (2016-01-26)
Pioneering research boosts graphene revolution
Pioneering new research by the University of Exeter could pave the way for miniaturized optical circuits and increased internet speeds, by helping accelerate the 'graphene revolution.' (2015-11-16)
Plants convert energy at lightning speed
A new way of measuring how much light a plant can tolerate could be useful in growing crops resilient to a changing climate, according to scientists from Queen Mary University of London. (2014-03-02)
Building a better light bulb
Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow. (2012-02-01)
A narrow band of green light could improve migraines
Most migraine and post-traumatic headache sufferers find their headaches get worse in light, leading them to quit their most fundamental daily tasks and seek the comfort of darkness. (2016-05-17)
The many structures of the light-active biomolecules
How the light-sensitive part of the biomolecule phytochrome changes from a light-adapted state to a dark-adapted state has been investigated by researchers at Ruhr-Universität Bochum and Philipps-Universität Marburg. (2018-10-09)
How blood-sucking insects find dark-coated cattle in the dark
Last year, biologist Susanne Åkesson at Lund University in Sweden, together with researchers in Hungary, received the Ig Nobel Prize in Physics. (2017-11-30)
New sensor could light the way forward in low-cost medical imaging
New research published today in Nature's Scientific Reports, identifies a new type of light sensor that could allow medical and security imaging, via low cost cameras. (2014-05-23)
Golden sandwich could make the world more sustainable
Scientists have developed a photoelectrode that can harvest 85 percent of visible light in a 30 nanometers-thin semiconductor layer between gold layers, converting light energy 11 times more efficiently than previous methods. (2018-09-09)
Laser and sensor research to be advanced by new inquiries into plasmonic-photonic crystals
The research was dedicated to modelling light transmission throughout photonic crystals with a continuous gold layer on their surface. (2019-08-12)
Scientists discover light could exist in a previously unknown form
New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both. (2016-08-05)
UV light, coatings reduce bacterial adhesion up to 50 percent
The combination of ultraviolet (UV) light and certain coatings can lower -- by 15 to 50 percent -- the ability of some types of bacteria to stick to a glass surface and cause contamination or biofouling, Penn State environmental engineers have found. (2004-08-23)
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