Researchers at Rice University have developed a way to embed metallic nanoparticles into laser-induced graphene, creating a useful catalyst for fuel cells and other applications. The material, called metal oxide-laser induced graphene (MO-LIG), has shown promise as a potential substitute for expensive metals like platinum.
Researchers from the University of Southampton have demonstrated a new laser cooling technique that could cool molecules using matter wave interference. This technique has the potential to cool atoms and molecules beyond conventional methods, opening up new possibilities for quantum devices and technologies.
A new portable ultra-broadband laser can sense chemicals for various applications, including security and medicine. The compact device emits light across a broad spectrum of frequencies, enabling real-time detection of chemicals.
Researchers have induced structures within cells to produce laser light, emitting specific wavelengths that allow for precise labeling and measurement of individual cells. This technology has the potential to tag up to a trillion cells, matching the estimated number of human body cells, enabling applications in basic research and disea...
A study at Tufts University trained medical residents to reflect on their interactions with patients, revealing three key themes: interdependence of physician-patient communication, subtleties of patient behavior, and images of growth and awareness. These reflections improved physicians' ability to respond empathetically to patients.
The researchers developed a novel ultra-compact heterogeneous wavelength tunable laser diode using silicon photonics and quantum-dot technology, achieving a wide-range tuning operation of around 1250 nm wavelength with an ultra-small device footprint. The obtained frequency tuning-range of 8.8 THz is a world record for QD and silicon p...
A team of scientists has developed a method using commercial-grade laser equipment to find and analyze fossils of dinosaurs, revealing complex details unseen with traditional visual enhancers. The technique causes fossil samples to fluoresce, allowing for the detection of fakes and the identification of new species.
Researchers at Lawrence Livermore National Laboratory have created a record high number of positrons using lasers, which could help study gamma-ray bursts and extreme astrophysical processes. The team used three laser systems to produce nearly a trillion positrons, opening opportunities for antimatter research.
Researchers have developed a process using laser shock peening technology to alter metal properties, making it stronger and more durable. The technology is being tested for use in passenger aircraft and has the potential to extend both reliability and life.
Researchers at Texas A&M University demonstrate a bright, speckle-free strobe light source using random Raman lasing emission, enabling rapid imaging of microscopic forms of life. The new laser-like light source has a low level of spatial coherence and can produce high-speed images with improved quality.
Researchers at Northwestern University have created the world's first liquid nanoscale laser that can change colors in real time. The technology has significant advantages over traditional lasers, including simplicity, affordability and room-temperature operation.
Researchers at City College of New York have developed a novel polarization method to increase data speeds, carrying an additional data stream through manipulated laser beam shapes. This technology has the potential to scale terabits or even petabits per laser beam and is compatible with building-to-building communication in NYC.
Scientists have developed a new method to monitor Europe's nature protection areas by analyzing reflected light signals from laser pulses. The technique allows for the identification of different types of vegetation, including weeds and vehicle tracks, and provides detailed 3D maps of the landscape.
Researchers at the University of Copenhagen have developed a method that reduces the noise in atomic clocks, enabling them to be even more precise. The new technique uses a quantum frequency filter to sort out unwanted wavelengths of light, resulting in a laser beam that is much more stable and precise.
Austro-Russian research team develops high-energy mid-infrared laser capable of igniting laser filaments in air at normal atmospheric pressure. This technology enables tracing pollutants in the atmosphere using back-scattered light analysis.
A study by Cecilia Aragon at the University of Washington found that bilingual speakers increase their use of emoticons when chatting in a non-native language, mirroring face-to-face communication patterns. This suggests that bilinguals are adapting online communication to their cultural norms.
Researchers discovered that a low-energy nanosecond laser therapy can reverse the pathological and molecular changes in age-related macular degeneration. The treatment does not cause retinal damage, and it may also be effective on other eye diseases like diabetic macular oedema.
Scientists at Vienna University of Technology have developed a way to compress intense laser pulses by a factor of 20 using a cleverly designed hollow fibre. This tabletop technology makes creating short infrared pulses much simpler and cheaper than previously used setups.
Researchers have identified a new bacterial communication pathway, dialkylresorcinol, that is widely distributed among pathogenic bacteria. This discovery offers a promising therapeutic target for new medicines, potentially reducing the risk of antibiotic resistance.
Researchers from the University of Rochester created extraordinary new surfaces that efficiently absorb light, repel water, and clean themselves using femtosecond laser pulses. The multifunctional materials have potential applications in durable, low-maintenance solar collectors and sensors.
A new Yale-developed laser reduces speckle contrast in full-field imaging, enabling brighter and clearer images. The technology combines traditional laser brightness with LED-like properties, addressing a significant barrier in biomedical imaging and microscopy.
Researchers at Vienna University of Technology have developed a new 3D display system that uses laser beams to create 3D effects without the need for special glasses. The system can display hundreds of images simultaneously, creating a realistic 3D effect similar to walking around an object.
Researchers at CSIC have developed a new borane material that efficiently emits laser light in the blue spectrum while maintaining resistance against degradation. This breakthrough could lead to more cost-effective and environmentally friendly liquid lasers.
A team of researchers created a photonic crystal nanolaser biosensor that can detect DNA and biomolecules based on wavelength shift and laser emission intensity changes. This method is simpler and potentially less expensive than existing techniques, making it a promising tool for disease diagnosis.
Manual acupuncture has a substantial difference in treatment effect, with stronger evidence of pain relief compared to laser acupuncture. The study found that manual acupuncture is effective in short-term pain relief and activates the descending pain inhibitory system.
Researchers have developed a new theory that aims to bring flexibility to computer communication by allowing devices to tolerate some degree of imprecision. By gauging the minimum amount of information needed to convey a point, designed communication schemes can achieve reliable transmission, even in uncertain environments.
A recent study published in the Annals of Otology, Rhinology & Laryngology found that the pulsed-KTP laser treatment developed at Massachusetts General Hospital (MGH) is as effective as traditional approaches in curing patients' tumors while preserving vocal quality. The treatment has shown a high success rate of 96% among patients wit...
Researchers at Berkeley Lab achieved a world record energy for laser-plasma accelerators, accelerating electrons to 4.25 giga-electron volts in just 9-centimeter long plasma tube. The setup marks a significant breakthrough in particle acceleration technology, offering potential for shrinking traditional accelerators.
Researchers found that the retina can sense infrared light when laser pulses rapidly deliver a double hit of energy, allowing the eye to detect light outside the visible spectrum. This discovery may lead to developing new tools for examining and stimulating the retina.
Researchers at UNL pinpoint characteristics of laser pulses that can control electron behavior, enabling predictive and controlled electron motion. The study's findings offer a new signature for classifying experimentally produced laser pulses.
Researchers from Chongqing University have discovered a new method to compress laser linewidth based on Rayleigh backscattering, achieving ultra-narrow linewidths of hundreds of hertz. This breakthrough enables the development of portable laser devices with precise optical signals, revolutionizing fields like spectroscopy and sensing.
A breakthrough in flexible electronics has been achieved using Inorganic-based Laser Lift-off (ILLO), which overcomes material and processing limitations. ILLO allows for the fabrication of ultrathin inorganic electronic devices on flexible substrates, enabling high temperature processes previously restricted by polymer materials.
A laser used for tattoo removal has been found to improve facial acne scarring in a small study. The treatment showed significant improvement in skin appearance and texture, with patients reporting satisfaction rates of 25-100%. Additional research is needed to confirm these findings.
Researchers at University of Melbourne developed a new laser treatment that improves eye health in AMD patients by reducing disease signs and enhancing supporting cells. The nanosecond laser does not cause damage to the retina, raising hope for monocular treatment options.
Physicists at Australian National University have created a spiral laser beam that generates a stable vortex of polaritons, which are hybrid particles exhibiting both matter-like and light-like behavior. This achievement could enable the development of novel technology linking conventional electronics with photonics.
Researchers at Vienna University of Technology have developed a new laser system to create high-flux X-ray pulses, which will allow for more accurate measurements in various scientific fields. The new technology uses mid-infrared light and can produce up to 25 times higher X-ray flux than previous experiments.
Scientists investigated how scent communication affects polar bears, which is vital for reproduction and social behavior. The study suggests that climate change may disrupt this communication, threatening the species' survival.
The ICESat-2 satellite will measure the elevation of Earth from space to track changes in ice-covered poles, forests and ocean surfaces. The Advanced Topographic Laser Altimeter System (ATLAS) instrument will time how long light travels from the satellite's lasers to Earth's surface.
Scientists at Berkeley Lab have developed a unique microring laser cavity that can produce single-mode lasing even from conventional multi-mode laser cavities. This breakthrough holds implications for optical metrology, interferometry, data storage, spectroscopy, and communications.
Researchers at Optica have developed a hybrid approach that integrates laser-ablation propulsion with gas blasting nozzles, increasing thrust efficiency. This innovation enables supersonic speeds for launching small satellites and accelerating aircraft to Mach 10 and beyond.
Princeton engineers found that carefully restricting power delivery to certain areas within a laser can boost its output significantly. By targeting specific modes, they showed improvements in efficiency ranging from 100-fold to 10,000-fold, allowing for more control over frequency and spatial pattern of light emission.
A study by Jennifer Schon found that adult children's relationship satisfaction with their parents is modestly influenced by the number of communication tools used, such as cell phones, email, and social networking sites. Adding another channel can lead to a modest increase in relationship quality and satisfaction, especially for paren...
Researchers at the Institute of Physical Chemistry of the Polish Academy of Sciences have developed a new compact high-power laser that can create ultrashort pulses. The laser generates powerful femtosecond pulses that can penetrate long distances, allowing for real-time atmospheric pollution detection using LIDAR technology.
Researchers at Vienna University of Technology and Washington University in St. Louis have confirmed a paradoxical laser effect, where energy loss can turn lasers on. By carefully tuning the amount of light lost through a chromium needle, they were able to switch the laser system on.
Researchers created a reversible laser tractor beam that can repel and attract particles, moving them up to 20 centimeters with a single laser beam. The technique uses energy heating and polarization control to manipulate particles, offering new possibilities for atmospheric pollution control and tiny particle retrieval.
The NIST laser comb system creates high-definition 3D maps of surfaces from up to 10.5 meters away with sub-micrometer accuracy. This method is useful for precision machining, assembly, and forensic applications.
A new study from the University of Melbourne found that acupuncture did not improve chronic knee pain in patients older than 50. The research, published in JAMA, involved 282 participants who received either real or sham acupuncture for 12 weeks.
A study published in JAMA found that acupuncture did not improve chronic knee pain or function in patients over 50 years old. While acupuncture showed modest improvements in pain at short-term follow-up, these benefits were not sustained at one year.
A study led by Queen's University professor Robert Campbell revealed that using anti-inflammatory medicines after common eye surgery isn't helpful or necessary. The research found that steroids and nonsteroidal anti-inflammatory drugs do not affect the ability of laser treatment to lower eye pressure.
Scientists at Vienna University of Technology have managed to explain how a laser pulse can change the electronic properties of glass, making it conduct electricity. The effect happens so quickly that it can be used for ultra-fast light-based electronics.
Researchers at Princeton University developed a laser-based method to measure blood sugar levels without needing frequent pricking. The technique uses mid-infrared light and is currently 84% accurate, with potential applications beyond glucose detection.
Researchers used laser optical tweezers to study interactions between malaria parasites and red blood cells, revealing new insights into the disease process. The study found that attachment is mediated by multiple weak interactions, which could potentially be blocked by a combination of drugs or antibodies.
Researchers at Australian National University developed a technique to cool nanowire probes with lasers, increasing their sensitivity 20 times and enabling detection of tiny forces. This could improve the resolution of atomic force microscopes, measuring nanoscopic structures and molecular interactions.
Researchers at NIST have created hydrogen-treated optical fibers that can transmit stable, high-power ultraviolet laser light for hundreds of hours. The fibers were infused with hydrogen gas and cured with ultraviolet light to reduce errors in logic operations in quantum computing experiments.
Researchers have developed a new ultrafast imaging technique using multi-wavelength lasers to overcome the limitations of traditional imaging systems. This breakthrough enables real-time optical imaging with high resolution and fast frame rates.
Researchers at Dartmouth College have developed a breakthrough laser that uses an artificial atom to produce light, enabling the potential development of more powerful quantum computers. The new laser relies on superconducting electron pairs and has the ability to transmit information between quantum devices.
Researchers used an ultrafast optical laser and X-ray pulses to study the movement of electrons between atoms in exploding molecules. They observed that electrons can jump over surprisingly long distances, up to 10 times the length of the original molecule, shedding new light on microscopic dynamics.
Researchers at Lawrence Livermore National Laboratory have developed a new and efficient approach to 3D metal parts using selective laser melting. They used simple simulations and experiments to identify optimal parameters for high-density metal parts, which can be used to certify properties of metal parts built using SLM.
A new type of sensor has been developed at the Vienna University of Technology using miniaturized laser technology, allowing for the analysis of liquids and gases. The sensor can measure the composition of liquids with an accuracy of 0.06%, opening up potential applications in chemical, biological, and medical analytics.
Researchers developed an external laser device to detect alcohol vapors inside moving cars, reducing accidents caused by drivers under the influence. The device can identify cars with intoxicated drivers or passengers and alert authorities, potentially decreasing traffic checks.