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Current Ultraviolet light News and Events

Current Ultraviolet light News and Events, Ultraviolet light News Articles.
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Hubble finds tiny 'electric soccer balls' in space, helps solve interstellar mystery
Scientists using NASA's Hubble Space Telescope have confirmed the presence of electrically-charged molecules in space shaped like soccer balls, shedding light on the mysterious contents of the interstellar medium (ISM) -- the gas and dust that fills interstellar space. (2019-06-25)
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)
Psoriasis patients turn to alternative medicine when traditional treatments fail
A recent survey from the GW School of Medicine and Health Sciences found patients with psoriasis frequently use complementary or alternative therapies to treat their symptoms when traditional treatments fail. (2019-06-20)
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)
UCF is part of NASA Cassini mission that reveals new details about Saturn's rings
In a new paper that appeared in Science on Friday and includes two University of Central Florida co-authors, researchers are offering glimpses into the nature and composition of Saturn's legendary rings by using data from some of the closest observations ever made of the main rings. (2019-06-17)
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)
A fast all-visible-light molecular switch with 100 nm band separation
A consortium of scientists from the Medical Imaging Center (University Medical Center Groningen), Van 't Hoff Institute for Molecular Sciences (University of Amsterdam), Palacky University in Olomouc, the University of Nantes, Stratingh Institute for Chemistry (University of Groningen) and the European Laboratory for Non-Linear Spectroscopy in Florence have developed an entirely new class of molecular photoswitches that meet many of the 'holy grail' requirements so far thought to be impossible to achieve. (2019-06-03)
Accurate probing of magnetism with light
Probing magnetic materials with extreme ultraviolet radiation allows to obtain a detailed microscopic picture of how magnetic systems interact with light -- the fastest way to manipulate a magnetic material. (2019-06-03)
Scientists engineer unique 'glowing' protein
Biophysicists from MIPT and their colleagues from France and Germany have created a new fluorescent protein. (2019-05-30)
'Fettuccine' may be most obvious sign of life on Mars, researchers report
A rover scanning the surface of Mars for evidence of life might want to check for rocks that look like pasta, researchers report in the journal Astrobiology. (2019-05-29)
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)
New mutations for herbicide resistance rarer than expected, study finds
New evidence suggests that herbicide resistance in weeds is more likely to occur from pre-existing genetic variation than from new mutations. (2019-05-28)
A forest 'glow' reveals awakening from hibernation
Gross Primary Production (GPP) in forests tells scientists how much CO2 these vast and remote systems are breathing in. (2019-05-27)
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)
Scientists uncover exotic matter in the sun's atmosphere
Scientists today announced a major new finding about how matter behaves in the extreme conditions of the sun's atmosphere. (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)
Simple test can tell if you're stressed out
Researchers at the University of Cincinnati have developed a new test that can easily and simply measure common stress hormones using sweat, blood, urine or saliva. (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)
How a member of a family of light-sensitive proteins adjusts skin color
A team of Brown University researchers found that opsin 3 -- a protein closely related to rhodopsin, the protein that enables low-light vision -- has a role in adjusting the amount of pigment produced in human skin, a determinant of skin color. (2019-05-16)
Excitonic radiative decay faster than thermal dephasing in ZnO thin films
A team of researchers from Osaka University, Osaka Prefecture University, Osaka City University, and The University of Shiga Prefecture have found excitonic radiative decay faster than thermal dephasing at room temperature in zinc oxide (ZnO) thin films. (2019-05-15)
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)
Novel molecular multi-step photoswitches caught in the act
Scientists from the University of Groningen, the University of Amsterdam, the University of Twente (all in the Netherlands) and the European Laboratory for Non-Linear Spectroscopy in Italy, have been able to follow the entire sequence of structural transformations in a new class of molecular switches for the first time. (2019-05-08)
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)
UV lights on power lines may help save Sandhill cranes
Crane species are declining around the world, and lethal collisions with power lines are an ongoing threat to many crane populations. (2019-05-06)
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)
Hubble assembles wide view of the distant universe
Astronomers developed a mosaic of the distant Universe that documents 16 years of observations from the NASA/ESA Hubble Space Telescope. (2019-05-02)
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