Articles tagged with Space Technology
Researchers demonstrate a compact QKD system that paves the way for cost-effective satellite-based quantum networks. The system successfully distributes secure keys between a space lab and four ground stations, representing an important step toward practical QKD networks.
Researchers propose a surrogate-assisted evolutionary algorithm with restart strategy to optimize electronic component layout in space engineering. The algorithm reduces the cost of thermodynamic simulations, improving convergence speed and solution quality.
A new study creates a photochromic nylon webbing that changes color in response to UV exposure, allowing for long-term UV sensing. The webbings' color decay rate depends on the initial dye concentration, with customized dye levels enabling varying lifetimes.
The Madrid Flight On Chip (MFOC) project has successfully implemented advanced technological products and introduced disruptive changes in the design and verification of complex space systems. The project, which ran for over three years, focused on Multi-Processor System on Chip (MPSoC) components and aimed to reduce testing costs.
A CSU researcher has obtained photographic evidence of milky seas observed from both the Earth's surface and space at the same time. The observations were made possible by a private yacht's encounter with the rare phenomenon off the coast of Java, providing new insights into its formation.
Researchers used logistic regression and a recommendation algorithm to predict CME arrival times, achieving better results than using either method alone. The hybrid model improved forecast accuracy by providing a reference for similar historical events.
The university's latest satellite, SCOOB-I, orbits the Earth with advanced payloads, including a small Earth imaging camera and a solar spectrum sensor. The mission provides valuable insights into the Sun-Earth connection and its impact on climate, marking NTU Singapore's leadership in the growing space industry.
The study focused on the analysis and selection of Mars parachute types, with a focus on supersonic speed, low density, and harsh atmospheric conditions. The optimized tapered DGB parachute structure demonstrated improved deceleration performance, meeting the requirements for the Tianwen-1 Mars probe.
The system uses multiple satellites to form an aperture-synthetic interferometer, meeting four key demands: high spatial resolution, contrast, sensitivity, and wide spectral range. Numerical simulations validate the method's efficiency, with reduced transfer times and stable orbit maintenance.
A team of researchers developed a biomedical imaging system using a semiconductor detector originally designed for space observations, and applied spectral analysis techniques from astronomy to create accurate images of radionuclides in small animals. The new method uses fitting to eliminate noise and improve spatial resolution.
The article reviews key technologies for space intelligent robots in on-orbit operation requirements. Researchers discuss challenges such as microgravity, complex illumination, and strong radiation in space.
Researchers analyzed the effects of environmental pressure setting, time step, and mesh density on the pressure differential calculation results. The study used numerical simulation to improve the accuracy of calculations, with results showing that changes in ambient pressure are the primary factor affecting the pressure differential.
Researchers explore the influence of forebody and afterbody shapes on Mars ascent vehicle aerodynamic performance. Studies reveal that conical forebodies can reduce drag in slender ascent vehicles, while exponential forebodies improve resistance performance in short blunt bodies.
A team of astronomers discovered neutron stars blowing hot, warm and cold winds while consuming matter from a nearby star. The discovery provides key information about the behaviors of these extreme cosmic objects, which contribute to the formation of new stars and galaxy evolution.
Physicists at the University of Sussex have developed a remote monitoring system for quantum devices, allowing for real-time control and issue resolution. This system enables researchers to monitor environmental factors such as temperature, pressure, and laser beams in ultracold quantum laboratories.
The microsatellite will fly at a Very Low Earth Orbit (VLEO), collecting data for commercial VLEO satellites with multiple applications. The satellite is designed to be sustainable, de-orbiting within days of its operational life.
Researchers have designed a novel thermal armour that successfully inhibits the Leidenfrost effect up to 1,150°C and achieves efficient liquid cooling across a wide temperature range. The breakthrough has significant implications for applications in aerospace, space engineering, and next-generation nuclear reactors.
Researchers developed an autonomous assembly method for a 3-arm robot to fix a multi-pin and hole load plate on a space station. This solution tackles the challenges of complex environmental lighting and matching multiple groups of holes and pins in the task. The study reduces astronaut safety risks by leveraging robots instead of humans.
Researchers conducted a free-flight ballistic range test to capture the attitude behaviors and aerodynamic characteristics of Tianwen-1 Mars entry capsule. The study revealed that the capsule is dynamically unstable in pitch and yaw directions, but statically stable in these directions.
Researchers developed a recursive composite adaptive control method to improve the accuracy and dynamic performance of robot manipulators in the Chinese Space Station. The new controller reduces computational loads and achieves faster parameter convergence, making it suitable for high-degree-of-freedom robots.
The article discusses how scientists at Beijing Institute of Technology Press Co., Ltd. used key orbit design technologies to achieve a 23-day journey of lunar sample return with the Chang'E 5 mission. The success relied on precise orbit designs for lunar orbit rendezvous and docking, precision landing, and inclination optimization.
A new neural net technique combines optical imaging and synthetic-aperture radar to provide a single comprehensive data source, enhancing disaster response capabilities. The approach achieves up to a 96% accuracy rate in detecting objects and can be applied to various tasks such as crop health monitoring and building identification.
Calculations at TU Wien show that Ramjet propulsion, which involves capturing protons and using them for a nuclear fusion reactor, cannot work as proposed. The analysis revealed huge dimensions required to achieve even minimal thrust, making it impossible for current technology to achieve.
The MIT team developed a levitating rover design using ion thrusters, capable of producing enough repulsive force to hover on the moon and larger asteroids. The concept uses tiny ion beams to charge up the vehicle and boost its natural surface charge.
Researchers at TalTech in Estonia have developed monograin layer solar cell technology that can be used to generate electricity on the Moon. The technology uses pyrite, a mineral found in lunar regolith, and has the potential to provide sustainable power for future lunar outposts.
A team of astrophysicists led by Boston University's Merav Opher has made a groundbreaking discovery about the heliosphere, the bubble surrounding our solar system. Their research suggests that neutral hydrogen particles play a crucial role in shaping the heliosphere's structure and stability.
Developed by researchers from Harbin Institute of Technology, a new robotic arm can manipulate in environments difficult for humans and adapt to changing conditions. The arm weighs only 9.23 kilograms and can exert constant force control, enabling it to maintain contact with curved surfaces in space.
The Tianwen-1 Mars rover landed successfully due to its advanced autonomous guidance, navigation and control system. The system performed reliable key event triggers and accurate state estimates to implement trajectory and attitude controls.
Researchers analyzed seismic data to uncover the composition of Elysium Planitia's shallow subsurface, revealing a regolith layer and basaltic rocks. The findings provide insights into Mars' geological history and properties that will inform future landed missions.
The UK Space Agency has awarded £650,000 to Northumbria University to develop a commercially available laser-based inter-satellite communications system. The new technology promises to transform the satellite communications industry by transmitting data 1,000 times faster and more securely.
Researchers developed carbon nanotube-based transistors that can maintain electrical properties and memory after being exposed to high levels of cosmic radiation. The transistors, especially double-shielded ones, showed promising results for future space exploration.
Researchers at Durham University used NASA's TESS satellite to observe a white dwarf switching on and off, challenging understanding of accretion processes. The discovery may help explain the physics behind accretion in objects like black holes and neutron stars.
A research team from Göttingen University observed magnetic forces arranging gas particles in solar prominences, with charged particles moving at speeds of up to 42 km/s. This phenomenon is significant for understanding astrophysical processes, including star and planet formation.
The Chang'e-5 mission achieved a successful soft lunar landing using an innovative guidance, navigation and control system. The LAM used various sensors to navigate its descent and landing, with multiple sensors providing redundancy to ensure the success of the mission.
China's space transportation systems have made significant leaps in recent decades, with advancements in launch vehicles, propulsion systems, and artificial intelligence. The country aims to become a powerful space nation by the mid-21st century, with plans for manned missions to the Moon and Mars.
Researchers used ALMA to observe distant galaxies and discovered two new, dusty galaxies near original targets, challenging our understanding of early galaxy formation. The discovery suggests that a significant portion of early galaxies may be hidden from view due to cosmic dust.
Researchers at Chalmers University of Technology have developed a unique optical amplifier that offers high performance, is compact enough to integrate into a chip just millimeters in size, and does not generate excess noise. This breakthrough technology has the potential to revolutionize both space and fiber communication.
West Virginia University engineers are working on a $750,000 award from NASA to improve data transfer efficiency during space exploration. The team is developing AI-based algorithms that can compress data while retaining maximum information content, which could enable more efficient NASA missions and sustain Earth and solar observations.
Researchers have discovered a way to induce magnetic waves in antiferromagnets using ultrafast laser pulses, potentially leading to faster and more efficient data storage. This technology could endow materials with new functionalities for energy-efficient and ultrafast data storage applications.
A new €639,000 EU-funded project will develop cost-effective space cooling technologies powered by green technologies. The CO-COOL RISE consortium aims to accelerate the adoption of these innovations in the marketplace.
A study in Journal of Marketing found that the dueling preferences approach can increase prosocial gifts, such as tipping and donating. This approach frames giving as a choice between two options, tapping into people's desire to express themselves.
A new study suggests that implementing orbital-use fees for satellites in orbit could reduce collision risk and increase the industry's long-run value. The fees, which would be calculated based on projected costs of additional collision risk and space debris production, could quadruple the value of the satellite industry by 2040.
Scientists tracked mass loss from Pine Island Glacier using ESA satellite technology and found complex patterns in space and time, with thinning rates decreasing in the central trunk by a factor of five since 2007. This contradicts previous observations, highlighting the need to improve model projections for future sea level rise.
Neuro Space is an immersive installation that reimagines how scientists view neurons through the intersection of art and technology. The exhibit explores the power of art to reflect scientific structures and illuminates the vastness of what remains unknown in neuroscience.
The University of Toledo has been awarded a $7.4 million contract to develop solar technology that is lightweight, flexible, highly efficient and durable in space. The goal is to provide power for space vehicles using sunlight, reducing the need for liquid fuels and battery storage.
A £326,000 UK Government-backed project is developing immersive augmented reality (AR) and mixed reality (MR) audio experiences for music fans. The VASAR project aims to improve sound quality and production efficiency using new recording techniques and software.
A researcher examines the case of people living in Jordan's Zaatari camp to understand how digital technology influences their physical space. She suggests a new design approach that prioritizes interior space, incorporating insertable walls and dividers to allow residents spatial authorship.
UTSA joins NASA's Resilient ExtraTerrestrial Habitats institute (RETHi) to advance space smart habitat designs for deep space habitats, leveraging expertise in civil infrastructure with advanced technology fields.
A research team at DGIST has successfully developed a high-performance color filter-free image sensor, which performs both electrode and color filter functions. The image sensor is thin enough to be applied to flexible wearable devices with a pixel thickness of less than 800nm.
Researchers from the University of Bristol used satellite imagery to detect uplift on the northern flank of Agung volcano, indicating magma movement sideways as well as vertically. This study provides the first geophysical evidence of a connected plumbing system between Agung and Batur volcanoes.
The National Science Foundation is partnering with federal agencies to expand its STEM diversity program and create new graduate internship opportunities. The partnerships aim to increase diversity in the STEM workforce and remove barriers to STEM careers.
Researchers have successfully detected and described four whale species using detailed satellite imagery, providing a cost-effective method for monitoring population changes and behavior. The study identifies key inaccessible whale populations that can benefit from satellite-based tracking.
A new plasma thruster technology has been developed to remove space debris, decelerating it with a force imparted from the satellite. The system uses bi-directional ejection of plasma plumes, controlled by a magnetic field and gas injection, for efficient removal in three operational modes.
Researchers developed innovative business models for space-related start-ups, including DIT Space, which commercialized satellite images and created competitive advantages. The study highlights the growth of space entrepreneurship worldwide, with a focus on Central America.
The Samara University team has developed a reliable and inexpensive propulsion system for maneuvering nanosatellites, using a water-alcohol mixture as the working body. The system can be equipped with any CubeSat space vehicle and expands the capabilities of nanosatellites, enabling them to solve complex problems in outer space.
The CONEX-Plus project will attract and professionally train 30 young researchers in various technological areas, including Energy and Nanotechnology. The five-year program aims to develop cross-cutting skills and accelerate professional growth through secondments and training actions.
Bernd Chudoba and his team aim to create a forecasting methodology that identifies science and technology gaps related to space transportation issues. The project will develop a toolbox to forecast space transportation infrastructure needs, enabling the US to plan for its 2030 goal of eliminating vulnerabilities in space.
RIT researcher Zoran Ninkov developed an astronomical imager inspired by a cinema projection system, capturing light signatures from multiple objects in the same area of sky. NASA is funding $550,000 to recoat the device with aluminum for improved performance at ultraviolet wavelengths.
Researchers successfully monitored gallium arsenide wire growth, providing insights into the VLS process and enabling approaches to customize nanowires with special properties. The study's findings have significant implications for applications in infrared remote controls, mobile phones, solar cells, and space technology.
A recent study published in Obesity Open Access found that supplementing with capsicum extract increased metabolic rate by 116 calories per day, equivalent to burning an extra 1 lb. of fat over 30 days. This natural approach supports healthy body composition and weight management as we age.