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New method for the measurement of nano-structured light fields
Physicists and chemists at the University of Münster (Germany) have jointly succeeded in developing a so-called nano-tomographic technique which is able to detect the typically invisible properties of nano-structured fields in the focus of a lens. (2019-09-20)
Researchers produce synthetic Hall Effect to achieve one-way radio transmission
Researchers at the University of Illinois at Urbana-Champaign have replicated one of the most well-known electromagnetic effects in physics, the Hall Effect, using radio waves (photons) instead of electric current (electrons). (2019-09-12)
Making and controlling crystals of light
EPFL scientists have shown how light inside optical on-chip microresonators can be crystallized in a form of periodic pulse trains that can boost the performance of optical communication links or endow ultrafast LiDAR with sub-micron precision. (2019-09-09)
Secret messages hidden in light-sensitive polymers
Scientists from the CNRS and Aix-Marseille Université have recently shown how valuable light-sensitive macromolecules are: when exposed to the right wavelength of light, they can be transformed so as to change, erase or decode the molecular message that they contain. (2019-09-04)
Eminent scientist's 160-year-old theories aid light wave discovery
A previously unknown type of light wave has been discovered by researchers, based on the pioneering work of a 19th century Scottish scientist. (2019-09-03)
Save time using maths: Analytical tool designs corkscrew-shaped nano-antennae
For the first time, an HZB team has derived analytically how corkscrew-shaped nano-antennas interact with light. (2019-08-23)
Color-changing artificial 'chameleon skin' powered by nanomachines
Researchers have developed artificial 'chameleon skin' that changes colour when exposed to light and could be used in applications such as active camouflage and large-scale dynamic displays. (2019-08-21)
Shedding light on how the human eye perceives brightness
Japanese scientists are shedding new light on the importance of light-sensing cells in the retina that process visual information. (2019-08-17)
Researchers turn off backscattering, aim to improve optical data transmission
Engineers at the University of Illinois have found a way to redirect misfit light waves to reduce energy loss during optical data transmission. (2019-08-12)
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)
Researchers discover why intense light can protect cardiovascular health
Researchers at the University of Colorado Anschutz Medical Campus have found that intense light amplifies a specific gene that bolsters blood vessels and offers protection against heart attacks. (2019-08-08)
Designing a light-trapping, color-converting crystal
A recipe for creating a microscopic crystal structure that can hold 2 wavelengths of light at once is a step toward faster telecommunications and quantum computers. (2019-08-07)
Unique electrical properties in quantum materials can be controlled using light
A new study from Penn researchers found that Weyl semimetals, a class of quantum materials, have bulk quantum states whose electrical properties can be controlled using light. (2019-08-05)
Manufacture of light-activated proteins
A new strategy for designing light-sensitive proteins has been developed by researchers at Ruhr-Universität Bochum. (2019-08-02)
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)
A test of general relativity at the galaxy's center suggests Einstein's theory still holds
In a detailed study of a star orbiting the supermassive black hole at the center of our galaxy, researchers report that Einstein's theory of general relativity (GR) accurately describes the behavior of light struggling to escape the gravity around this massive structure. (2019-07-25)
Light pollution may be increasing West Nile virus spillover from wild birds
House sparrows infected with West Nile virus (WNV) that live in light polluted conditions remain infectious for two days longer than those who do not, increasing the potential for a WNV outbreak by about 41%. (2019-07-24)
Developing technologies that run on light
Researchers are designing a nanoscale photon diode -- a necessary component that could bring us closer to faster, more energy-efficient computers and communications that replace electricity with light. (2019-07-24)
Newly discovered neural pathway processes acute light to affect sleep
Either to check the time or waste time, people often look at their smartphones after waking in the middle of the night. (2019-07-19)
Green light for a new generation of dynamic materials
Researchers from Queensland University of Technology (QUT), Ghent University (UGent) and Karlsruhe Institute of Technology (KIT) have pioneered a novel, dynamic, reprogrammable material -- by using green LED light and, remarkably, darkness as the switches to change the material's polymer structure, and using only two inexpensive chemical compounds. (2019-07-15)
Quantum sensor breakthrough using naturally occurring vibrations in artificial atoms
A team of scientists, led by the University of Bristol, have discovered a new method that could be used to build quantum sensors with ultra-high precision. (2019-07-10)
On the way to printable organic light emitting diodes
OLEDs are used today in many electronic devices for display applications. (2019-07-10)
Blue light at night increases the consumption of sweets in rats
A new study demonstrates that just one hour of exposure to blue light at night -- the kind of light produced by the screens of our many devices -- raises blood sugar levels and increases sugar consumption in male rats. (2019-07-09)
Clownfish reproduction threatened by artificial light in coral reefs
The movie Finding Nemo could have a much darker sequel -- as artificial light in coral reefs leaves the famous fish unable to reproduce offspring, according to a new study. (2019-07-09)
Corals in Singapore likely to survive sea-level rise: NUS study
Marine scientists from the National University of Singapore found that coral species in Singapore's sedimented and turbid waters are unlikely to be impacted by accelerating sea-level rise (2019-07-01)
Discovered: A new property of light
Researchers have discovered that light can possess a new property, self-torque. (2019-06-27)
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)
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