Articles tagged with Visible Light
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.
Researchers at Rice University are developing chameleon-like nanoshells with tailored optical properties to enhance devices and materials. These nanoshells can manipulate different types of light and have potential applications in energy conservation, construction materials, and biomedicine.
Researchers have produced a new radio image revealing a supernova remnant and numerous pulsar candidates, showcasing the Milky Way's central region in unprecedented detail. The technique will be useful for astronomers to study the galaxy's major components.
Researchers have developed a process called hierarchical self-assembly, where hollow spheres stack themselves into larger structures to form photonic crystals. These materials can manipulate light in predictable ways, offering potential applications in optical data storage, telecommunications, and lighting systems.
Researchers at the Carnegie Institution for Science have isolated the protein that responds to UV-A/blue light, a crucial step in understanding plant growth and development. The discovery of NPH1 as the photoreceptor for phototropism has significant implications for agricultural research and future studies on plant development.
Researchers at Rice University have developed metal nanoshells, particles that can absorb or scatter light at virtually any wavelength, enabling new applications in energy-efficient paints and windows, solar collection materials, and chemical sensors. The team has also shown promise in extending their range to the far infrared.
Researchers found that ultraviolet light triggers a harmful chemical reaction in the skin, leading to premature aging and cancer. The study reveals that a natural component of human skin, previously thought to be a 'nature's sunscreen,' actually contributes to skin damage.
A Johns Hopkins study found that UV-B exposure from sunlight increases the risk of cortical cataracts in people of all ages and backgrounds. The researchers calculated a 10% increase in risk for every 0.01 'Maryland sun years' of exposure.
Scientists have discovered a cheap material that changes color in response to light, potentially revolutionizing energy-efficient windows. The material could regulate illumination levels, glare, heat gain and loss, making buildings use less energy.
Researchers have developed new 'green' materials derived from chlorophyll, which can be used to overcome limitations of photodynamic therapy (PDT) for treating bulky solid tumors. These materials can kill cancer cells in tissue culture and mice while minimizing side effects.
Researchers develop dendrimer supermolecules that funnel light energy through a tree-like structure, directing it to a central point. The nanostar molecule can convert ultraviolet light into visible light with up to 99% efficiency, making it suitable for various applications such as solar energy harvesting and optical sensors.
Researchers discovered new clues to biological clocks that pace daily activities, including the role of two proteins regulating light responses. Their findings link evolutionary spectrum from light perception to time keeping, paving way for detailing modern clock mechanisms in various organisms.
Researchers have discovered a powerful energy source inside the nucleus of a Seyfert galaxy, challenging previous theories and providing new insights into the formation of galaxies. The findings suggest that both types of Seyfert galaxies may harbor quasars, with the power source located behind an obscuring 'fat torus' or doughnut girdle.