Articles tagged with Vacuum
Researchers at Max Planck Institute successfully couple spatially separated molecules via a modified vacuum field in an optical microresonator. This breakthrough enables the creation of synthetic states of coupled molecules, with potential applications in quantum technology and information processing.
Researchers from Oxford University and the Instituto Superior Técnico recreated the quantum vacuum effect, a state previously thought to be empty but predicted to contain virtual electron-positron pairs. The simulation reveals new insights into how intense laser beams alter the quantum vacuum, enabling future high-energy experiments.
NASA has successfully integrated its deployable aperture cover sunshade with the outer barrel assembly of the Roman Observatory, enhancing the telescope's ability to detect faint light from across the universe. The integration marks a significant milestone in the mission's assembly and testing phase.
Scientists have discovered a way to turn ordinary liquids into epsilon-near-zero (ENZ) materials by interacting them with intense femtosecond laser pulses. This creates a new class of materials with tunable light propagation properties, opening up possibilities for advances in optical sensing and communication.
Physicists have gained valuable insights into false vacuum decay using a quantum machine, which could determine the ultimate fate of the Universe. The simulation reveals complex interactions between bubbles in a false vacuum, offering new possibilities for studying the fundamental physics of the Universe.
Researchers create a 3D printed vacuum system to trap dark matter, using ultra-cold lithium atoms to analyze the effects of domain walls. The team expects results within a year and believes this study will be an important step forward in understanding dark energy and dark matter.
A German junior research group at the University of Oldenburg is developing precious-metal-free catalysts to convert carbon dioxide into methanol, formaldehyde, and ethylene. The team aims to create inexpensive and durable materials for large-scale industrial applications.
Researchers have introduced iso-propagation vortices, offering a solution to increasing information processing capacity while overcoming traditional vortex beam limitations. IPVs exhibit OAM-independent propagation, allowing for consistent beam size during free-space propagation.
Researchers developed a device with AI algorithms to analyze suckling strength and pattern in newborns. The system showed improved accuracy over subjective clinician assessments, identifying abnormal patterns that may indicate the need for surgical intervention or improved feeding practices.
Researchers at OIST create a floating platform using graphite and magnets that operates without external power, opening potential for ultra-sensitive sensors and precision measurements. The new material, derived from graphite, overcomes energy loss challenges, allowing the platform to achieve 'frictionless' motion.
A new technique for producing polymer solid electrolytes has been developed, eliminating the need for vacuum heat treatment and increasing production speed by 13-fold. This method ensures consistent thickness and surface quality of polymer solid electrolytes, ideal for battery production.
Researchers demonstrate a way to amplify interactions between particles to overcome environmental noise, enabling the study of entanglement in larger systems. This breakthrough holds promise for practical applications in sensor technology and environmental monitoring.
Researchers have developed a method to coherently tile multiple titanium:sapphire crystals together, breaking through the current 10-petawatt limit. This technology enables ultra-intense ultrashort lasers with high conversion efficiencies, stable energies, and broadband spectra.
Researchers at KAIST have developed a micro-vacuum assisted selective transfer printing (µVAST) technology to improve the transfer of microLED chips. The technology uses laser-induced etching to create micro-hole arrays on glass substrates, allowing for precise alignment and higher adhesion switchability.
Researchers develop methods to introduce chirality into materials, enabling tunable properties in thin films. The discovery has potential applications in pharmaceuticals, biomedicine, communication and energy.
Scientists at Lancaster University have discovered that superfluid helium-3 behaves like a two-dimensional system when probed with mechanical resonators. This finding has significant implications for our understanding of superfluidity and its potential applications in various fields.
A McMaster University-led analysis reveals persistently high rates of severe maternal trauma during forceps and vacuum deliveries in Canada. The study calls for increased recognition, transparency, and action to prevent these injuries, which have significant short- and long-term consequences for mothers.
Scientists discovered oxygen production from vacuum ultraviolet photodissociation of sulfur dioxide, a possible trigger for the Earth's Great Oxidation Event. The study found that this process contributed to transient oxygen accumulation in the primitive atmosphere.
A hybrid system of electronic encoding and diffractive optical decoding transmits optical information with high fidelity through random, unknown diffusers. The system outperforms traditional approaches that only utilize a diffractive optical network or an electronic neural network for optical information transfer.
A microscopic crack in platinum grew and then 'healed' itself by getting shorter after repetitive stretching, confirming Dr. Michael Demkowicz's 2013 prediction. The experiment used nanocrystalline metals with a small grain size, which allows for microstructural features to interact with cracks.
Scientists at NIST have validated a new approach to measuring extremely low gas pressures, called CAVS, which can serve as a primary standard. This technique uses a cold gas of trapped atoms to measure pressure and has been shown to be accurate and reliable for a wide range of applications.
Researchers at the University of Copenhagen used a new method to collect airborne DNA particles and found evidence of 64 different animal species in a single football field-sized area. The findings suggest that this technique could be a valuable tool for monitoring biodiversity and tracking the spread of diseases.
Researchers have successfully controlled chemical reactions by manipulating electromagnetic fields in an infrared cavity, improving understanding of reactivity and products formation. The discovery offers a new path for quantum physics to regulate chemical reactions.
A team at the University of Vienna has developed a method to controllably create single atomic vacancies in hexagonal boron nitride (hBN) using ultra-high vacuum and aberration-corrected scanning transmission electron microscopy. This breakthrough enables the creation of defects that can emit single photons, opening up new opportunitie...
Researchers found that manual labor's perceived meaning can predict the adoption of autonomous products. Consumers tend to reject these products due to a loss of meaning in life. Companies can highlight alternative sources of meaning to reduce negative effects on adoption.
Researchers at the University of Washington have developed a multifunctional interface between photonic integrated circuits and free space, allowing for simultaneous manipulation of multiple light beams. The device operates with high accuracy and reliability, enabling applications in quantum computing, sensing, imaging, energy, and more.
MIT researchers developed a miniature vacuum pump for portable mass spectrometers, overcoming design limitations of traditional pumps. The 3D-printed pump can create and maintain lower pressure vacuums, increasing the device's lifetime and enabling its use in remote locations and space exploration.
Researchers at Kyoto University have successfully created silicon-based photovoltaics at room temperature using a hybrid PEDOT:PSS/silicon heterojunction. This breakthrough technology offers improved production speed and cost, with power generation efficiency above 10%. The new process has the potential to facilitate large-scale diffus...
Researchers suggest studying well-preserved grains of space dust for potential signs of life, as they could contain fossils of microorganisms. The idea estimates that around 100,000 such grains could land on Earth every year.
Researchers from ETH Zurich have achieved groundbreaking cooling of a glass nanoparticle along two directions of motion, overcoming the 'Dark Mode Effect'. This breakthrough enables the creation of fragile quantum states and paves the way for ultrasensitive gyroscopes and sensors.
Researchers from Tokyo Metropolitan University have successfully threaded indium atoms into bundles of transition metal chalcogenide nanofibers, creating a unique nanostructure. The resulting metallic nanowires exhibit properties suitable for flexible wiring in nanocircuitry.
Researchers at Purdue University have created a new method for incorporating phase change materials (PCMs) into building envelope elements, which reduces energy consumption by moderating temperature fluctuations. The process increases the thermal inertia and compressive strength of construction materials while making them more resilien...
Researchers at King Abdullah University of Science & Technology have developed a two-step process that cuts food waste by reducing microbial growth. The treatment, which combines UV-C irradiation and vacuum sealing, extends shelf life by 67% for animal products like salmon, and up to 124% for strawberries.
Researchers from City University of Hong Kong have developed a novel, tiny device to observe liquid-phase electrochemical reactions in energy devices at nanoscale. The device enables real-time and high-resolution visualization of complex electrochemical processes.
Researchers report the discovery of photonic hopfions, a new family of 3D topological solitons with freely tunable textures and numbers. These structures exhibit robust topological protection, making them suitable for applications in optical communications, quantum technologies, and metrology.
Researchers achieved unprecedented extreme physical conditions using a 100 PW laser system, enabling new applications and fundamental science. The system features an OPCPA front end that supports peak powers of 263 TW and pulse durations as short as 13.4 fs.
Researchers develop low-cost and eco-friendly method for high efficiency CIGSSe solar cells, achieving power conversion efficiency larger than 17%, by using aqueous spray deposition in air environment.
Researchers at City University of Hong Kong have successfully developed a novel Vacuum Ultra-Violet (VUV) meta-lens, which can generate and focus the VUV light. The focused VUV light source enables nanolithography, material processing, and advanced manufacturing applications.
Researchers from the University of Arizona suggest that dying stars can forge carbon nanotubes in the envelopes of dust and gas surrounding them. This process involves the spontaneous formation of carbon nanotubes, which are highly structured rod-like molecules consisting of multiple layers of carbon sheets.
A research team led by Dr. Serge Krasnokutski has discovered a reaction pathway that can form peptide chains under cosmic conditions without water. This finding suggests that the origin of peptides could be extraterrestrial in nature, challenging the conventional assumption that life emerged on Earth.
Researchers at the University of Manchester observed the Schwinger effect using graphene-based devices, producing particle-antiparticle pairs from a vacuum. They also discovered an unusual high-energy process where electrons became superluminous, providing an electric current higher than allowed by general rules.
Researchers have created a new, simpler way to fabricate SERS nanostructures with superior stability and performance at low cost. By using a heat-resistant polymer called polyimide (PI), they can produce nanosurfaces with nanopillars that enhance signal intensity for efficient chemical detection. The new fabrication method has the pote...
A new study found high rates of trauma for mothers and babies from forceps and vacuum deliveries, with over 25% of forceps deliveries resulting in severe perineal tears. Researchers call for a reassessment of the safety of these birthing practices.
The PHAse Space MApping experiment, a complex plasma physics research project at WVU, aims to study the motion of ions and electrons in plasmas. The facility can measure three-dimensional motion at very small scales and is capable of performing detailed measurements.
Researchers at Dartmouth College have developed a theory that produces and detects light in a vacuum, challenging classical physics. The experiment uses an accelerating diamond membrane to create photons, which are then amplified by multiple photon detectors.
Researchers at the University of Bonn developed a method to visualize laser beams in a vacuum, allowing for precise alignment of individual atoms. This breakthrough enables faster and more accurate quantum optics experiments, potentially leading to advancements in computing and materials science.
Engineers at UC Riverside developed an air-powered computer memory that can be used to control soft robots. This innovation eliminates the need for electronic valves and computers, reducing size, cost, and power demands.
Researchers developed a miniaturized and high-speed quantum random number generator (QRNG) with an output rate of 18.8 Gbps, exceeding previous records. The QRNG uses a photonic integrated chip and optimized real-time post-processing to achieve this feat.
Researchers developed a method to functionalize cellulose, strengthening its connection with metal ions and preventing leaching. The new approach resulted in a 3-fold increase in catalytic stability compared to traditional methods.
Scientists have discovered a method to manipulate the electromagnetic mass of electrons in photonic crystals, leading to changes in the ionization energy of atoms. This effect can be used to synthesize new compounds and create drugs, with potential applications in chemistry and medicine.
The study reveals optical response of GaInN/GaN MQWs using terahertz emission spectroscopy, enabling nano-seismology of wide-bandgap quantum devices. The technique allows monitoring of dynamic screening effects and acoustic wave beams in buried structures.
Researchers from Osaka University have made a groundbreaking discovery about the behavior of laser pulses in free space. They found that laser pulse intensity can propagate in a straight line, with the forward-propagating velocity being the speed of light and the backward-propagating velocity being subluminal.
The study demonstrates a stable time-frequency transfer via a high-orbit satellite-ground link, enabling potential performance of optical atomic clocks and intercontinental comparisons. The researchers achieved an instability of 4E-18 at 3,000 s with their dual-comb linear optical sampling method.
Scientists at Texas A&M University designed a new type of battery that eliminates the need for metals and flammable electrolytes. The metal-free, water-based battery shows improved energy storage performance despite lower capacity compared to traditional Li-ion batteries.
Researchers have successfully created borophane, a stable form of atomically thin boron, which exhibits strength, flexibility and electronics properties. This breakthrough enables the exploration of its real-world applications in fields like batteries, electronics and quantum computing.
Researchers have developed a VUV laser system with a focal spot of <1 μm, enabling high-energy resolution (~0.3 meV) and sub-micron spatial resolution for angle-resolved photoemission spectroscopy (ARPES). This improvement allows for better visualization of electronic structures in novel quantum materials.
Scientists study how tuning aspects of a powerful laser beam can affect the acceleration of electrons, finding that optimal values of laser beam waist increase maximum acceleration. They observe significant energy gains in full and half-pulse interactions, reaching up to 1 GeV.
Researchers have overcome a major limitation of stratospheric balloon payloads by creating an ultralight dewar that can cool large telescopes to near absolute zero. The breakthrough enables scientists to explore the cold universe and see faint signals from distant galaxies.
Marcy Stutzman, a Jefferson Lab staff scientist, has been named a Fellow of the American Vacuum Society for her work on producing ultra-high vacuum environments. She contributes to the smooth operation of the lab's primary particle accelerator by ensuring high-quality equipment and maintaining a contamination-free environment.
Researchers developed graphene-coated nickel, cobalt, aluminum nanoparticle cathodes to improve lithium-ion battery performance, reducing degradation mechanisms and increasing energy density. The new design showed low impedance, high rate performance, and long cycling lifetimes.