Last update Americans lose confidence they can sniff out social media bots, 1 hour ago
Using corkscrew-shaped laser pulses, scientists at DESY have devised a sophisticated optical centrifuge that can make molecules rotate rapidly about a desired molecular axis. The innovative method opens up new ways to control ...
We live in an age of long-range information transmitted either by underground optical fibre or by radio satellites. But the throughput today is so great that radio frequency is no longer enough in itself. Research is turning ...
Scientists at TU Wien, the University of Innsbruck and the ÖAW have for the first time demonstrated a wave effect that can lead to measurement errors in the optical position estimation of objects. The work now published ...
A UK-wide research team, led by the University of St Andrews, has developed an innovative new way to optically image through tissue, which could allow for a more detailed understanding and diagnosis of the early stages of ...
For the first time, physicists have built a unique topological insulator in which optical and electronic excitations hybridize and flow together. They report their discovery in Nature.
What happens when a new technology is so precise that it operates on a scale beyond our characterization capabilities? For example, the lasers used at INRS produce ultrashort pulses in the femtosecond range (10-15 s), which ...
Scientists from ITMO University developed a novel optical method of measuring reagent delivery rates for "labs on a chip." The method is based on a dynamic interaction between a nanoantenna and luminescent molecules as the ...
An international team of researchers has used an unconventional imaging technique known as ghost imaging to make spectroscopic measurements of a gas molecule. The new approach by scientists at Tampere University of Technology ...
A color developed by Egyptians thousands of years ago has a modern-day application as well – the pigment can boost energy efficiency by cooling rooftops and walls, and could also enable solar generation of electricity via ...
A new study by scientists from the University of Bristol brings us a significant step closer to unleashing the revolutionary potential of quantum computing by harnessing silicon fabrication technology to build complex on-chip ...
One of the most enduring "Holy Grail" experiments in science has been attempts to directly observe atomic motions during structural changes. This prospect underpins the entire field of chemistry because a chemical process ...
Optical frequency combs can enable ultrafast processes in physics, biology, and chemistry, as well as improve communication and navigation, medical testing, and security. The Nobel Prize in Physics 2005 was awarded to the ...
White powders found at known or potential crime scenes present investigators and first responders with a dilemma. Touching the powders could be dangerous or compromise the evidence, and sending samples to a lab to be identified ...
Researchers have developed a fundamentally new approach to a see-through display for augmented reality, or smart glasses. By projecting images from the glass directly onto the eye, the new design could one day make it possible ...
The technique for generating high-intensity, ultra-short optical pulses developed by the 2018 Nobel Prize for Physics winners, Professor Gérard Mourou and Dr. Donna Strickland, provides the basis for important scientific ...
Scientists from ITMO University developed a laser for precise measurement of the distance between the moon and Earth. The short pulse duration and high power of this laser help to reduce errors in determining the distance ...
Light of different colors travels at different speeds in different materials and structures. This is why we see white light split into its constituent colors after refracting through a prism, a phenomenon called dispersion. ...
After three scientists won the Nobel Physics Prize on Tuesday for groundbreaking discoveries harnessing the power of lasers, here are a few basic facts about their research.
Transition metal dichalcogenides (TMDCs) possess optical properties that could be used to make computers run a million times faster and store information a million times more energy-efficiently, according to a study led by ...
In his research, Markus Koch, Associate Professor at the Institute of Experimental Physics of Graz University of Technology (TU Graz), concentrates on processes in molecules and clusters which take place on time scales of ...
Three scientists shared the 2018 Nobel Physics Prize on Tuesday for their work that has "revolutionised" the field of laser physics.
Attosecond pulses enable physicists to probe dynamic processes in matter with unprecedented time resolution. This means such technology can provide better insights into the dynamics of electrons in molecules. Devising a source ...
Ultrashort optical pulses are becoming increasingly relevant in a number of applications, including distance measurement, molecular fingerprinting and ultrafast sampling. Many of these applications rely not only on a single ...
Soon, powerful quantum computers will be able to easily crack conventional mathematically encrypted codes. Entangled photons generated by a spaceborne quantum source could enable hack-proof key exchange for ultra high security ...
An international team of scientists led by the University of Groningen's Zernike Institute for Advanced Materials created quantum bits that emit photons that describe their state at wavelengths close to those used by telecom ...
Physicists at the National Institute of Standards and Technology (NIST) have used common electronics to build a laser that pulses 100 times more often than conventional ultrafast lasers. The advance could extend the benefits ...
Engineers at Duke University have developed a way to extract a sequence of images from light scattered through a mostly opaque material—or even off a wall—from one long photographic exposure. The technique has applications ...
A team at the Center for Relativistic Laser Science, within the Institute for Basic Science (IBS), has found a completely new way to generate extreme-ultraviolet emissions; that is, light having a wavelength of 10 to 120 ...
The prevalence of electronic devices has transformed life in the 21st century. At the heart of these devices is the movement of electrons across materials. Scientists today continue to discover new ways to manipulate and ...
It used to be known as the information superhighway—the fibre-optic infrastructure on which our gigabytes and petabytes of data whizz around the world at (nearly) the speed of light.
Thousands of daily passengers on the Los Angeles Metro will ride more securely with the deployment of cutting-edge ESA-patented screening technology to detect concealed weapons or explosives.
Researchers have developed a new instrument that can analyze light reflected from very small or extremely dark materials such as some meteorite samples and VANTABlack, the darkest manmade substance created. The instrument ...
A research team comprising members from City University of Hong Kong (CityU), Harvard University and a renowned information technologies laboratory has successfully fabricated a tiny on-chip lithium niobate modulator, an ...
Physicists at The City College of New York have used atomically thin two-dimensional materials to realize an array of quantum emitters operating at room temperature that can be integrated into next generation quantum communication ...
From observing celestial objects to medical imaging, the sensitive detection of X-rays plays a central role in countless applications. However, the methods used to detect them have undergone an interesting evolution of their ...
The photoelectric effect provides the basis for solar energy and global communications; Albert Einstein described it over a century ago. For the first time, scientists from the Technical University of Munich (TUM), the Max-Planck ...
The field of optical microscopy research has developed rapidly in recent years. Thanks to the invention of a technique called super-resolution fluorescence microscopy, it has recently become possible to view even the smaller ...
When light pulses from an extremely powerful laser system are fired onto material samples, the electric field of the light rips the electrons off the atomic nuclei. For fractions of a second, a plasma is created. The electrons ...
Researchers have developed a light-based technique for measuring very weak magnetic fields, such as those produced when neurons fire in the brain. The inexpensive and compact sensors could offer an alternative to the magnetic ...
Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at the correct power.
Covert sensing of objects around a corner may soon become a reality.
By creating a new twist on fiber optic sensors, researchers in China have developed a smart, flexible photoacoustic imaging technique that may have potential applications in wearable devices, instrumentation and medical diagnostics.
All systems are go for launch in November of NASA's Global Ecosystem Dynamics Investigation (GEDI) mission, which will use high-resolution laser ranging to study Earth's forests and topography from the International Space ...
Many semiconductor fabricators and research labs are under increasing pressure from, of all things, vacuum. These facilities need to remove greater amounts of gas molecules and particles from their setups as new technologies ...
When designing flying vehicles, there are many aspects of which we can be certain but there are also many uncertainties. Most are random, and others are just not well understood. University of Illinois Professor Harry Hilton ...
Magnetic forces ripple throughout the universe, from the fields surrounding planets to the gasses filling galaxies, and can be launched by a phenomenon called the Biermann battery effect. Now scientists at the U.S. Department ...
A new study by researchers at The Australian National University (ANU) could help us understand how our planet was formed.
China is planning to launch its own 'artificial moon' by 2020 to replace streetlamps and lower electricity costs in urban areas, state media reported Friday.
A trio of economists is suggesting that it is time to add a well-being index to national economic measures. Carol Graham with the Brookings Institution, Kate Laffan with the London School of Economics and Sergio Pinto with ...
Almost all galaxy clusters experience mergers. While a merger takes place, a specific spiral pattern can often be observed in X-ray images. Such a spiral feature is due to the motion of the sloshing gas induced by a merger. ...
A pair of researchers, one with the University of Bonn, the other the University of California, has found evidence that shows gender preferences differ more in countries that are more affluent and gender equal than in countries ...
A research group at the Center for Multidimensional Carbon Materials, within the Institute for Basic Science (IBS), has published an article in Science describing a new method to convert inexpensive polycrystalline metal ...
Climate change is in full swing and will continue unabated as long as CO2 emissions continue. One possible solution is to return CO2 to the energy cycle: CO2 could be processed with water into methanol, a fuel that can be ...
Researchers from the University of Luxembourg, Technische Universität Berlin, and the Fritz Haber Institute of the Max Planck Society have combined machine learning and quantum mechanics to predict the dynamics and atomic ...
Most of us would acknowledge that family members often resemble one another, particularly in the face. Indeed, humans are good at picking out pairs of close relatives amongst the faces of unfamiliar adults. We are also more ...
What do watermelons and bacteria have in common? Just like the tasty fruit, microbes can be molded into unusual shapes, a study in Nature Communications has shown. The paper, produced by researchers at the Okinawa Institute ...
The ability to translate the genetic code into proteins is an essential step in all living organisms. A cornerstone of this molecular process is the ability of transfer RNA (tRNA) molecules to couple recognition of the genetic ...
A newly discovered toxin that some bacteria deploy to fend off competing bacteria stands out from others in the battle for microbial domination. While many deadly substances have been identified among bacteria, this previously ...
Chlorophyll is the pigment used by all plants for photosynthesis. There are two versions, chlorophyll a and chlorophyll b. These are structurally very similar to one another but have different colors, blue-green and yellowish ...
Scientists at the UNC School of Medicine in collaboration with researchers at Oregon Health & Science University have resolved the three-dimensional molecular structure of the protein that's defective in people with cystic ...
Scientists studying a valuable, but vulnerable, species of poplar have identified the genetic mechanism responsible for the species' inability to resist a pervasive and deadly disease. Their finding, published in the Proceedings ...
The word "HAZMAT" describes substances that pose a risk to the environment, or even to life itself. Imagine the term being applied to entire planets, where violent flares from the host star may make worlds uninhabitable by ...
A team of scientists led by Professor Richard Layfield at the University of Sussex has published breakthrough research in molecule-based magnetic information storage materials.
Inside smartphones and computer displays are metals known as the rare earths. Mining and purifying these metals involves waste- and energy-intense processes. Better processes are needed. Previous work has shown that specific ...
Pioneering research has given a fascinating fresh insight into how animal nervous systems evolved from simple structures to become the complex network transmitting signals between different parts of the body.
A two-year cycle in the gamma-ray brightness of a blazar, a galaxy powered by a supermassive black hole, has been confirmed by 10 years of observations from NASA's Fermi Gamma-ray Space Telescope. The findings were announced ...
New observations by two Arizona State University astronomers using the Hubble Space Telescope have caught a red dwarf star in a violent outburst, or superflare. The blast of radiation was more powerful than any such outburst ...
A new paper written by academics at Royal Holloway and George Washington University, predicts reliable patterns in violent events occurring within wars and terrorism, regardless of geography, ethnicity and religion.
An international team of researchers has successfully produced a Bose-Einstein condensate (BEC) in space for the first time. In their paper published in the journal Nature, the group describes creating a small experimental ...
Those pesky bees that come buzzing around on a muggy summer day are helping researchers reveal the genes responsible for social behaviors. A new study published this week found that the social lives of sweat bees—named ...
Measuring the properties of superconducting materials in magnetic fields at close to absolute zero temperatures is difficult, but necessary to understand their quantum properties. How cold? Lower than 0.05 Kelvin (-272°C).
A team of researchers affiliated with several institutions in the U.S. has come up with a new type of cermet that could prove especially useful as a heat exchanger in solar power plants. In their paper published in the journal ...
The embryonic stem cells that form facial features, called neural crest cells, use an unexpected mechanism of moving from the back of the head to the front to populate the face, finds a new UCL-led study.
Find more news articles via sort by date page
