Articles tagged with Radio Signals
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A team of researchers crafted a working radio from a single carbon nanotube, performing four critical roles: antenna, tunable filter, amplifier, and demodulator. The tiny device could have applications in radio-controlled devices, cell phones, and other fields.
A team of researchers created the first fully functional radio from a single carbon nanotube, enabling tiny wireless communication devices. The nanotube radio works by detecting incoming radio waves and vibrating at its flexural resonance frequency to receive signals, offering a new approach to making radios.
Physicists at UC Berkeley have built the world's smallest radio using a single carbon nanotube, detecting radio signals through mechanical vibration. The nanoradio can tune in to FM broadcasts and even transmit music pieces from over a century old.
Researchers have discovered that cilia, tiny organelles on cell surfaces, transmit instructions that shape body tissues. Defective ciliary function disrupts the balance of Wnt signaling, leading to developmental errors and childhood diseases.
A wearable cardiac telemedicine system allows post-cardiac patients renewed mobility by recording periodic ECGs and transmitting them via SMS. This device can give patients a greater chance of receiving life-saving treatment within the golden hour period.
Scientists studying hawk moths discovered the Johnston's organ, a tiny structure above the antenna, senses movement and sends signals to the brain. The antennae guide the insect's body back to correct heading through a fine-tuned mechanism.
A solar flare can cause GPS signal degradation, affecting navigation systems like those used in planes and cars. Researchers discovered this effect when a graduate student accidentally detected the impact on a receiver at Arecibo Observatory.
The COSMIC satellite network measures atmospheric data daily in real time over thousands of points on Earth using GPS signals. Temperature and water vapor profiles will help meteorologists forecast storms and study long-term climate change trends.
Researchers at NASA's Goddard Space Flight Center have built an SDR test-bed to investigate and develop communication and navigation algorithms. This technology enables electronic devices to quickly change functions on demand, such as adapting a cell phone into a video camera or satellite interaction.
Researchers create laser pulses with specific shapes to produce signals with higher frequencies, enhancing image resolution and accuracy in detecting underground objects. The technique allows for precise control over radio frequencies, improving ultra-wideband communication systems.
Researchers used Doppler radar-like technique to track gas around the center of NGC 4395, measuring a mass less than a million solar masses - about 100 times smaller than others of its type. This discovery provides insight into midsize black holes and their role in galaxy formation.
Radatec's innovative sensors measure motion using microwave technology, operating at extremely high temperatures and unaffected by contaminants. The company's sensors provide real-time information about critical mechanical components, enabling operators to predict when repairs are needed and reducing maintenance costs.
University of Florida engineers have successfully installed a tiny on-chip antenna, enabling radio communication across distances of up to 16 feet. The achievement marks a significant step towards building an 'ultrasmall radio chip' for various applications, including border security and bridge monitoring.
Researchers placed modified radio transmitter modules within a high-rise before demolition and found that 10 of the 14 modules continued broadcasting after the structure was destroyed. The study aims to develop technology allowing emergency personnel to locate survivors by locking onto cell phone or radio signals in collapsed buildings.
Researchers have developed a new method to non-destructively detect moisture within wall construction using ultra wide-band radio waves. Laboratory experiments demonstrated the ability to locate moisture pockets to within one centimeter, producing detailed three-dimensional maps of wet areas.
Researchers at Cornell University are developing tiny automated sensors that can map disaster areas, detect biohazards, and report back in real-time. The sensors use biosensors to detect toxins and bacteria, communicate using low-power radio signals, and self-configure using game theory.
The US Navy is developing an all-digital radio receiver that can handle multiple simultaneous signals and reduce communication 'clutter'. The new technology, developed by HYPRES Inc., will enable seamless interoperability among different military units and systems.
Ultra-wideband technology offers advantages in communication due to its wide spectrum range. The technology allows for efficient transmission and reception of data without interference, enabling military communications to remain secure and domestic devices to achieve higher data rates.
USC researchers are testing a prototype 'e-textile' that can detect faint sounds, specifically distant vehicle movements on future battlefields. The fabric functions as a supersensitive detection array and can be deployed in various ways, such as a parachute or camouflage net.
Recent studies indicate that electronic transmitters used by off-piste skiers to locate buried victims are ineffective due to limited range and prolonged rescue times. The signals only carry up to 50 meters and professional skiers take an average of 18 minutes to reach their companions, resulting in a low survival rate.
A new smart tyre sensor system has been developed using microscopic components to monitor temperature and pressure, providing reliable and affordable tyre condition checks. The system, patented by Goodyear, is expected to improve tyre safety and reduce maintenance costs for motorists.
A team of scientists discovered that the Pioneer 10 spacecraft detected a radio signal modulation mimicking a planet's orbit around PSR B1257+12. The analysis reveals that solar rotation causes similar variations in the pulsar's radio waves, effectively simulating the planet.
SRI International will operate a 150-foot parabolic reflector antenna to test UHF communication signals from the Mars Global Surveyor spacecraft. The team will analyze received signals in real-time and send simulated signals to check the UHF link for future Mars missions.