Last update Brain cell's Achilles' heel may prompt hydrocephalus, 1 hour ago
At Karlsruhe Institute of Technology (KIT), researchers have developed a flexible and efficient concept to combine optical components in compact systems. They use a high-resolution 3-D printing process to produce tiny beam-shaping ...
An international team of scientists has demonstrated a breakthrough in the design and function of nanoparticles that could make solar panels more efficient by converting light usually missed by solar cells into usable energy.
If wearing a virtual reality or augmented reality headset is ever to become commonplace, hardware manufacturers will need to figure out how to make the devices small and lightweight while ensuring their images are sharp and ...
Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of health. Researchers led by Ferenc Krausz at the Laboratory for Attosecond ...
A new study calls for the U.S. to step up its laser R&D efforts to better compete with major overseas efforts to build large, high-power laser systems, and notes progress and milestones at the Department of Energy's Berkeley ...
Two and a half years ago, a team of researchers led by groups at MIT, the University of California at Berkeley, and Boston University announced a milestone: the fabrication of a working microprocessor, built using only existing ...
Collaborative research team of Prof. Jun Takeda and Associate Prof. Ikufumi Katayama in the laboratory of Yokohama National University (YNU) and Nippon Telegraph and Telephone (NTT) have reported petahertz electron oscillation. ...
In recent decades, computers have become faster and hard disks and storage chips have reached enormous capacities. But this trend cannot continue forever. Physical limits are preventing silicon-based computer technology from ...
In an attosecond study of the H2 molecule, physicists at ETH Zurich found that for light atomic nuclei, as contained in most organic and biological molecules, the correlation between electronic and nuclear motions cannot ...
A concept for a novel X-ray microscope promises three-dimensional images of delicate objects like biological cells using a thousand times less damaging radiation than conventional methods. The novel microscope would allow ...
Strain can be used to engineer unusual properties at the nanoscale. Researchers in Tobias Kippenberg's lab at EPFL have harnessed this effect to engineer an extremely low-loss nanostring. When plucked, the string vibrates ...
University of Adelaide researchers have invented a world-first tiny fibre-optic probe that can simultaneously measure temperature and see deep inside the body.
Researchers at the UCLA Samueli School of Engineering have demonstrated that deep learning, a powerful form of artificial intelligence, can discern and enhance microscopic details in photos taken by smartphones. The technique ...
A new method of using light to scan the human body, developed by researchers at the University of St Andrews, could result in less intrusive and more effective diagnosis for patients. The work is the result of a collaboration ...
Reactions in solar panels, catalytic converters, and other devices are governed by the quick motion of electrons. To capture the movement of these electrons, scientists use pulses of extremely high energy x-rays. The challenge ...
A team of physicists at the University of Sussex are developing the science to create a safe and efficient 'paint' that can reveal, with terahertz (THz) radiation, the contents of luggage or objects hidden in clothing.
The bright colors of some butterflies, beetles or birds are not due to the presence of pigments that selectively absorb light, but due to the so-called structural coloration. Structural coloration occurs on surfaces with ...
A study published in Light: Science & Applications opens new avenues for fundamental studies of vibrational strong coupling, as well as for the development of novel infrared sensors for chemical recognition of very small ...
Femtosecond laser direct writing is a promising technology for the fabrication of photonic integrated chips mainly due to its intrinsic capability of three-dimensional (3-D) prototyping in transparent substrates. Currently, ...
Imagine a single particle, only one-tenth the diameter of a bacterium, whose miniscule jiggles induce sustained vibrations in an entire mechanical device some 50 times larger. By taking clever advantage of the interplay between ...
Fluorescence imaging is widely used for visualizing biological tissues such as the back of the eye, where signs of macular degeneration can be detected. It is also commonly used to image blood vessels during reconstructive ...
With novel optoelectronic chips and a new partnership with a top silicon-chip manufacturer, MIT spinout Ayar Labs aims to increase speed and reduce energy consumption in computing, starting with data centers.
A new method to sensitively measure the structure of molecules has been demonstrated by twisting laser light and aiming it at miniscule gold gratings to separate out wavelengths.
By mimicking the intricate visual system of a butterfly, researchers have created a camera that provides surgeons with both a traditional color image as well as a near-infrared image that makes fluorescently labeled cancerous ...
DESY scientists have created a miniature particle accelerator for electrons that can perform four different functions at the push of a button. The experimental device is driven by a terahertz radiation source and can accelerate, ...
2 hours ago
0
1 hour ago
0
As we generate more and more data, the need for high-density data storage that remains stable over time is becoming critical. New nanoparticle-based films that are more than 80 times thinner than a human hair may help to ...
An international team of researchers showed how a nonlinear elastic metasurface could convert a wave's fundamental frequency to its second harmonic. Structural factors in metasurfaces, like the spatial arrangement of its ...
For the first time, researchers at Lawrence Livermore National Laboratory (LLNL) have successfully 3-D-printed optical-quality glasses, on par with commercial glass products currently available on the market.
Rochester Institute of Technology researchers are developing and testing an astronomical imager inspired by an Oscar-award winning cinema projection system.
Femtosecond lasers are capable of processing any solid material with high quality and high precision using their ultrafast and ultra-intense characteristics. With the continuous development of laser technology, ultrafast ...
Scientists have demonstrated for the first time how 'twisted' sound waves from a rotating source can produce negative frequencies—akin to turning back time.
A new method to make a low-cost, high-quality lens quickly using a 3D printer has promising potential to create optical imaging lenses, customized contact lenses for correcting distorted vision, or to even turn iPhones into ...
Researchers have developed an endoscope as thin as a human hair that can image the activity of neurons in the brains of living mice. Because it is so thin, the endoscope can reach deep into the brain, giving researchers access ...
The Department of Homeland Security could benefit from a reliable, real-time instrument that could scan the atmosphere for toxic agents in order to alert communities to a biological or chemical attack. UCF optics and photonics ...
Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times ...
Artworks are part of our cultural and historical heritage. Yet, according to the Fine Arts Expert Institute, nearly half of the artworks circulating on the market are fakes. So how can you tell if a Rembrandt painting is ...
An industry-university collaboration joint research team led by Osaka University developed synchronized fluctuation-type art illumination, in which the natural rhythm (tremor) of candle light can be produced even in artificial ...
Optical Mammography, or OM, which uses harmless red or infrared light, has been developed for use in conjunction with X-rays for diagnosis or monitoring in cases demanding repeated imaging where high amounts of ionizing radiation ...
Sébastien Février, researcher at XLIM (CNRS/Université de Limoges), and his team demonstrated that a bench-top, optical fibre-based laser source can be used to perform infrared spectromicroscopy with a precision rivaling, ...
A novel lens offers scientists the sharpest X-ray images yet from the nano world. The device is made from alternating layers of tungsten carbide and silicon carbide and can focus hard X-rays into a spot of less than ten nanometers ...
Scientists from Australia and China have drawn on the durable power of gold to demonstrate a new type of high-capacity optical disk that can hold data securely for more than 600 years.
University Professor of Applied Physics Stephen Arnold and his team at the New York University Tandon School of Engineering have made a discovery that could lead to Star Trek-like biosensor devices capable of flagging the ...
Researchers have conducted the first field tests for a new laser-based system that can pinpoint the location of very small methane leaks over an area of several square miles. The new technology could one day be used to continuously ...
When the balance of the sexes is skewed towards one gender, parents are more likely to split up, leaving the father to care for the offspring, says a study from an international team of scientists studying bird populations.
Viruses may spark hydrocephalus by exploiting a suprising weakness of cells that circulate fluid in the brain, says a new study by Duke University scientists.
A small, brown mouse found in the forests of Central America bucks the rodent trend of conversing in high-pitched squeaks often inaudible to the human ear.
New Guinea warriors harvested thigh bones from their dead fathers to fashion into ornamental but deadly daggers used to kill and maim enemies, sometimes to eat them.
Deep-diving whales and other marine mammals can get the bends—the same painful and potentially life-threatening decompression sickness that strikes scuba divers who surface too quickly. A new study offers a hypothesis of ...
Although microfluidics devices have a wide variety of uses, from point-of-care diagnostics to environmental analysis, one major limitation is that they cannot be modified for different uses on the fly, since their flow paths ...
Soldiers often need to see through smoke, fog, dust or any other airborne obscurant and detect the presence of toxins or other chemicals in the field or on the front lines. To identify those chemicals, they use infrared (IR) ...
An international team of researchers, including Frank Seifart and Sven Grawunder of the former Department of Linguistics at the Max Planck Institute for Evolutionary Anthropology and Julien Meyer from the Université Grenoble ...
Changes in the circulation of the North Pacific Ocean about 15,000 years ago released large amounts of CO2 to the atmosphere, helping warm the planet and end the last Ice Age, according to research by scientists at the University ...
Astronomers are beginning to understand what happens when black holes get the urge to roam the Milky Way.
A team of Renewable Energy experts from the University of Exeter has pioneered a new technique to produce hydrogen from sunlight to create a clean, cheap and widely-available fuel.
A University of Cambridge researcher is calling for the voices of women to be given a fairer platform at a leading scientific conference.
A team of researchers with Keele University in the U.K. has described one of the darkest planets ever observed. In their paper uploaded to the arXiv preprint server, the team describes the planet and where it appears to stand ...
The pin mold fungus Phycomyces blakesleeanus forms a dense forest of vertically growing fruiting bodies, but how does it know which way is "up"? New research publishing 24 April in the open access journal PLOS Biology, from ...
The next generation of energy-efficient power electronics, high-frequency communication systems, and solid-state lighting rely on materials known as wide bandgap semiconductors. Circuits based on these materials can operate ...
In 1935, at the height of the Dust Bowl, a team of researchers from the Kansas Board of Health set out to understand the impact of dust on human health. In areas impacted by dust storms, the researchers documented an increase ...
A cross-like shape helps the electrodes of implantable neurostimulation devices to deliver more charge to specific areas of the nervous system, possibly prolonging device life span, says research published in March in Scientific ...
Experts at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have recently found higher amounts of microplastic in Arctic sea ice than ever before. However, the majority of particles were ...
Most of us know that our biological sex is decided by the pairing of X and Y chromosomes during conception.
Artemisinin is a potent antimalarial compound produced naturally by the Chinese shrub Artemisia annua, commonly known as sweet wormwood. Currently,however, the low amount of artemisinin produced in the leaves of this plant ...
Professional biologist and amateur mathematician Aubrey de Grey has partially solved the Hadwiger-Nelson problem, which has vexed mathematicians since 1950. He has published a paper describing the solution on the arXiv preprint ...
If you're an optimist, you probably believe that humanity is inherently cooperative and willing to sacrifice for the greater good of all. If you're a pessimist, on the other hand, chances are you believe that, in the end, ...
Cardiac arrhythmia results when the usual symphony of electric pulses that keep the heart's muscles in sync becomes chaotic. Although symptoms are often barely noticeable, arrhythmia leads to hundreds of thousands of deaths ...
A team of scientists from Arizona State University's School of Molecular Sciences has begun re-thinking the evolutionary history of photochemical reaction centers (RCs). Their analysis was recently published online in Photosynthesis ...
Linear polyenes are hydrocarbon chains with unusual optical and electrical properties. They have become a paradigm for studying photoisomerization—when molecular structures rearrange from absorbing light—because of their ...
Washington State University researchers have developed a low-cost, portable laboratory on a phone that works nearly as well as clinical laboratories to detect common viral and bacterial infections.
University of Wisconsin-Madison engineers have added a new dimension to our understanding of why straining a particular group of materials, called Ruddlesden-Popper oxides, tampers with their superconducting properties.
Amazon's latest perk ... free delivery to your car.
Stitches help deep cuts heal, but can leave a scar. Now, a new study conducted by a team of researchers at the University of Toronto may help scientists and medical professionals move toward scar-free wound repair.
The temperature trend of continents can be estimated by measuring warming of nearby oceans, revealing a simple behaviour of the climate system.
Find more news articles via sort by date page
