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Current Light News and Events, Light News Articles.
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A solarium for hens? How to increase the vitamin D content of eggs
Many people suffer from a vitamin D deficiency. This can result in brittle bones and an increased risk of respiratory diseases. (2019-06-24)
Researchers explain visible light from 2D lead halide perovskites
Researchers led by an electrical engineer from the University of Houston have reported solving a lingering question about how a two-dimensional crystal composed of cesium, lead and bromine emitted a strong green light, opening the door to designing better light-emitting and diagnostic devices. (2019-06-24)
A new force for optical tweezers awakens
When studying biological cells using optical tweezers, one main issue is the damage caused to the cell by the tool. (2019-06-18)
Hubble sets sights on an explosive galaxy
When massive stars die at the end of their short lives, they light up the cosmos with bright, explosive bursts of light and material known as supernovae. (2019-06-14)
Tiny light box opens new doors into the nanoworld
Researchers at Chalmers University of Technology, Sweden, have discovered a completely new way of capturing, amplifying and linking light to matter at the nanolevel. (2019-06-11)
The circadian-hypoxia link in cardioprotection
Throughout the evolutionary time, all organisms and species on Earth evolved with an adaptation to consistent oscillations of sunlight and darkness, now recognized as circadian rhythm. (2019-06-11)
Light energy and biomass can be converted to diesel fuel and hydrogen
A research group led by Professor WANG Feng at the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences recently developed a method to produce diesel fuel and hydrogen by exploiting light energy (solar energy or artificial light energy) and biomass-derived feedstocks. (2019-06-10)
Exposure to artificial light at night while sleeping and women's weight
Exposure to artificial light at night, especially sleeping with a light or television on in the room, was associated with increased risk of weight gain and overweight and obesity among a large group of women studied. (2019-06-10)
Probing semiconductor crystals with a sphere of light
Tohoku University researchers have developed a technique using a hollow sphere to measure the electronic and optical properties of large semiconducting crystals. (2019-06-06)
UV light may illuminate improvements for next generation electronic devices
NITech scientists have developed the method to make sure the mechanisms to connect between the two-dimensional layer of atoms and the semiconductors as perfect as possible, which will lead to develop novel optoelectronic devices. (2019-06-04)
Light at night is harmful for amphibians, new research shows
Light at night might be convenient for humans, but it's having a detrimental effect on amphibian populations, according to new research from Binghamton University, State University of New York. (2019-05-28)
Nature inspires a novel new form of computing, using light
McMaster researchers have developed a simple and highly novel form of computing by shining patterned bands of light and shadow through different facets of a polymer cube and reading the combined results that emerge. (2019-05-24)
Hubble spies curious galaxy moving a little closer
This Hubble image stars Messier 90, a beautiful spiral galaxy located roughly 60 million light-years from the Milky Way in the constellation of Virgo (the Virgin). (2019-05-24)
Bring on faster internet: Device packs more into optical fiber
A research team has developed a light beam device that could lead to faster internet, clearer images of space and more detailed medical imaging. (2019-05-21)
Sleep problems in teenagers reversed in just one week by limiting screen use
Sleep in teenagers can be improved by just one week of limiting their evening exposure to light-emitting screens on phones, tablets and computers, according to findings to be presented in Lyon, at the European Society of Endocrinology annual meeting, ECE 2019. (2019-05-19)
Dead zones in circadian clocks
Circadian clocks of organisms respond to light signals during night but do not respond in daytime. (2019-05-14)
Optical security: Tunable-resonator upconverted emission color printing
Scientists have demonstrated a new optical security element that not only combines microprints with invisible inks, but also makes them colorful. (2019-05-12)
Study questions current regulations on light pollution and calls for paradigm shift
Researchers from the Universities of Granada and Krakow have warned that Spain's current legislation on light pollution fails to take into account all the necessary factors -- including human vision itself. (2019-05-09)
Discovery of the photosensor for yellow-green light-driven photosynthesis in cyanobacteria
Cyanobacteria, a type of bacteria that performs photosynthesis, utilize a photosensor to maximize their light-harvesting capacity under different light environments. (2019-05-09)
Secrets of fluorescent microalgae could lead to super-efficient solar cells
Tiny light-emitting microalgae, found in the ocean, could hold the secret to the next generation of organic solar cells, according to new research carried out at the universities of Birmingham and Utrecht. (2019-05-09)
Essential tool for precision farming: new method for photochemical reflectance index measurement
Precision farming, which relies on spatially heterogeneous application of fertilizers, biologically active compounds, pesticides, etc., is one of the leading trends in modern agricultural science. (2019-05-07)
Mechanics, chemistry and biomedical research join forces for noninvasive tissue therapy
A fortuitous conversation between two University of Illinois scientists has opened a new line of communication between biomedical researchers and the tissues they study. (2019-05-06)
Quantum sensor for photons
A photodetector converts light into an electrical signal, causing the light to be lost. (2019-05-03)
New holographic technique opens the way for quantum computation
EPFL physicists have developed a method based on the principles of holograms to capture 3D images of objects beyond the reach of light. (2019-05-03)
Energy-saving new LED phosphor
The human eye is particularly sensitive to green, but less sensitive to blue and red. (2019-04-24)
UCF researchers develop way to control speed of light, send it backward
University of Central Florida researchers have developed a way to control the speed of light. (2019-04-04)
Spin lasers facilitate rapid data transfer
Engineers have developed a novel concept for rapid data transfer via optical fibre cables. (2019-04-04)
Detecting pollution with a compact laser source
Researchers at EPFL have developed a simple mid-infrared laser source that can be used to detect pollution in the air or molecules in someone's breath. (2019-04-04)
HZB contributions to special edition on ultrafast dynamics with X-ray methods
In the new special issue of the Philosophical Transactions of the Royal Society of London, internationally renowned experts report on new developments in X-ray sources and ultrafast time-resolved experiments. (2019-04-04)
Blue light could treat superbug infections
Methicillin-resistant Staphylococcus aureus (MRSA), a bacterium that causes infection in various parts of the body, is often called a 'superbug' thanks to its ability to dodge many common antibiotics. (2019-04-02)
Quantum optical cooling of nanoparticles
One important requirement to see quantum effects is to remove all thermal energy from the particle motion, i.e. to cool it as close as possible to absolute zero temperature. (2019-03-29)
Record efficiency for perovskite-based light-emitting diodes
Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. (2019-03-28)
Speedier stomata in optogenetically enhanced plants improve growth and conserve water
By introducing an extra ion channel into the stomata of mustard plants, researchers have developed a new a way to speed up the stomatal response in their leaves. (2019-03-28)
How light from street lamps and trees influence the activity of urban bats
A study conducted by a team led by the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) sheds new light on how exactly ultraviolet (UV) emitting and non-UV emitting street lamps influence the activity of bats in the Berlin metropolitan area and whether tree cover might mitigate any effect of light pollution. (2019-03-27)
Breast cancer may be likelier to spread to bone with nighttime dim-light exposure
Exposure to dim light at night, which is common in today's lifestyle, may contribute to the spread of breast cancer to the bones, researchers have shown for the first time in an animal study. (2019-03-23)
Levitating objects with light
Specially designed materials enable objects of different sizes to be levitated and manipulated with light, thanks to new research from Caltech scientists. (2019-03-19)
Diattenuation imaging -- a promising imaging technique for brain research
A new imaging method provides structural information about brain tissue that was previously difficult to access. (2019-03-19)
Fusion science and astronomy collaboration enables investigation of the origin of heavy elements
Atomic physicists working on nuclear fusion research succeeded in computing the world's highest accuracy atomic data of neodymium ions which is used in analysis of the light from a binary neutron star merger. (2019-03-11)
Blue-enriched white light to wake you up in the morning
Here is good news for those who have difficulty with morning alertness. (2019-03-06)
New shapes of laser beam 'sneak' through opaque media
Researchers have found a way to pre-treat a laser beam so that it enters opaque surfaces without dispersing -- like a headlight that's able to cut through heavy fog at full strength. (2019-03-04)
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