A team of scientists has discovered a new pathway for sound transmission in Cuvier's beaked whales using finite element modeling and computed tomography scanning. This finding challenges the long-held assumption that noise vibrations travel through the lower jaw to reach the ear complex, instead revealing a unique fatty channel.
Three quarters of the universe is dark energy, a mysterious substance that repels gravity. New space missions and improved observation methods will help uncover its secrets.
A new laser technique uses femtosecond pulses to selectively destroy viruses and bacteria, including those causing AIDS and hospital infections. The treatment is non-toxic to human cells, offering a promising solution for disinfection and disease treatment.
Researchers have developed a way to use carbon nanotubes to stop bullets from penetrating material and even rebound their force. This could lead to more effective bulletproof materials that avoid blunt force trauma and critical organ damage.
Satellite technology has enabled us to monitor the effects of deforestation and climate change. However, there are concerns about the weaponization of space and the creation of space junk.
Researchers from The University of Texas at Austin create an 'atomic coilgun' that slows and stops a wide range of atoms using pulsed magnetic fields. This breakthrough enables the study of previously inaccessible elements like hydrogen, with implications for atomic and nuclear physics.
The 2008 IOP Awards have recognized significant contributions to physics across various fields. Notably, Professor Rowan-Robinson's research on galactic dust has shed light on the main populations of galaxies in our universe.
A new report highlights the ongoing debate over climate change models, with scientists emphasizing the importance of understanding physical laws while acknowledging uncertainties. The Institute of Physics' report notes that while there is general consensus on climate causes, there is not unanimity among experts.
Researchers have developed a new test that can diagnose common brain diseases like Alzheimer's and schizophrenia with high accuracy. By analyzing tiny magnetic fields produced by neuron activity, the test can identify patterns associated with these debilitating diseases.
Researchers have found that particles of inorganic dust can form helical structures that interact like organic compounds, hinting at the possibility of life beyond carbon-based molecules. These structures exhibit properties such as autonomy, reproduction, and evolution, raising questions about the origin of life on Earth.
British scientists have developed a new method of coating metals using sol-gel technology, which offers improved corrosion resistance and reduced costs. The technique uses nanoparticles to form a gel-like layer on the metal's surface, providing a safer alternative to traditional chrome electroplating.
Researchers have developed diamond-like carbon coatings for medical implants, reducing friction and corrosion while providing biocompatibility. The new method of coating plastics, metals, and collagen enables the production of harder-wearing implants and enhances patient outcomes.
Researchers have designed a prototype prosthetic hand called the 'Southampton Remedi-Hand' that mimics human movement and grip, weighing only 400g. The hand features independent finger movement, a functional thumb with opposable motion, and integrated sensors to detect pressure and object slipping.
Scientists create ceramic nanospheres to fill fluid-filled channels in teeth, reducing sharp pain. The novel approach has the potential to be a game-changer for treating dental hypersensitivity.
Researchers have developed a paper battery that harnesses the power of urine to test for diseases, providing a cheap and efficient solution for healthcare diagnostics. The device can be integrated into biochip systems, enabling people to monitor their health at home without relying on external power sources.
A study suggests that abandoning livestock can significantly reduce global warming, with animal agriculture emitting 21% of all human-caused carbon dioxide. This shift in diet would have no adverse effects on health and could potentially meet Kyoto treaty targets for reducing emissions.
Researchers have developed artificial sensory hair systems inspired by crickets' cerci, which can detect low-frequency sound with high sensitivity and directivity. The artificial hairs are energy-efficient and show potential applications in various fields such as sensor networks and aerodynamics.
Researchers have discovered a way to levitate heavy objects, such as diamonds and precious metals, using a safe mixture of liquid nitrogen and oxygen. This technology has potential applications in mining and pharmaceutical industries.
The photoelectric effect, first explained by Einstein in 1905, has become a crucial tool for understanding the properties of matter. The new issue of New Journal of Physics features research on hot electrons and high-temperature superconductors, demonstrating its relevance to tailored electronic materials.
Recent studies of the cosmic microwave background radiation suggest that small black holes were widespread in the early universe and merged to form larger black holes. This finding could indicate an era in which small black holes were commonplace, with potential telltale evidence in galaxies without a central supermassive black hole.
According to Professor Andrew Hamilton, the core of a black hole is not a singular point of infinite density but rather a hot, dense plasma that siphons matter into itself. This plasma could be the cause of a space traveller's demise in larger black holes.
Termite guts have been found to convert cellulose into ethanol, a potential solution for the world's energy supply and storage problems. Chu believes that biology can be used as a solution to pressing environmental issues.
A new cancer test uses the physical strength of each cell to diagnose and stage cancer, reducing the need for biopsies and potentially saving lives. The 'optical stretcher' can detect cancer in as few as 50 cells, allowing for early diagnosis and treatment.
Researchers have isolated embryo-quality stem cells from adult blood for the first time using a physical characteristic of each cell's stretchiness. This breakthrough technique could revolutionize medical research and treatment by providing an alternative to embryonic stem cells.
Researchers calculate that ultra-cold atoms can be used to perform controlled coherent processing with light, preserving information content. This technology has the potential to revolutionize optical computing and create faster-than-electron computers.
Scientists have developed a new breed of fibre-optic sensors that can measure strain, detect movements, and monitor blast-waves with high accuracy. These sensors promise to revolutionize safety monitoring in various industries.
Research by Dr. Michael Murphy suggests that the fine structure constant, governing electromagnetic forces, may have changed over time by about one part in two-hundred-thousand during the last 10 billion years. This finding challenges existing knowledge and could have significant implications for our understanding of the universe.
Scientists have created a mathematical model that accurately describes the evolution and movement of tectonic microplates, which are dynamic whirlpools of ocean floor found at mid-ocean ridges. The model uses a wax tank to simulate the ocean floor, replicating patterns seen in the Earth's crust.
Researchers create a new mathematical model that explains the relationship between friction and motion, suggesting that traditional braking methods may not be the most effective. The findings could lead to improved road safety by optimizing brake performance.
Researchers have devised a thermometer that can measure granular temperature based on the degree of agitation of its component particles. The discovery could lead to better understanding of powders and particulate materials in industries such as pharmaceuticals, food processing, and construction.
Researchers have successfully measured the back-flow effect in Brownian motion, a phenomenon Einstein predicted but overlooked 100 years ago. The discovery uses optical tweezers technology to detect this effect, confirming a key aspect of Brownian motion theory.
Researchers found that chaos and noise are essential for maintaining marine ecosystems, allowing plankton blooms to flourish even in suboptimal conditions. By adding noise to a system, it can become synchronized and sustained, contrary to previous assumptions.
Researchers have re-determined the content of argon in air, finding it to be approximately 0.9332%, very close to historical measurements made 100 years ago. This new value is significant for precision mass measurements, which require accurate corrections for air density.
Researchers have created a system that detects pedestrian crossings in front of a person using a single camera, measuring road width and traffic light color to ensure safe crossing. The device uses projective geometry and 'projective invariant' calculation to accurately detect crossings in images.
Researchers used elliptic integrals to predict polarisation patterns in skylight, finding that singularities play a vital role in shaping the overall pattern. The study provides a simple and beautiful explanation for this natural phenomenon.
A new technique using spectral imaging allows doctors to detect and chart eye diseases such as diabetic retinopathy and glaucoma with high accuracy. The method uses liquid crystal tuneable filters and cooled digital cameras to take images at specific wavelengths, revealing the oxygenation state of blood vessels in the eye.
Professor Jim Hough of the University of Glasgow believes that gravitational waves will be detected in the near future due to advancements in instrument technology. The UK's GEO 600 device has shown promising results, and its innovations are being considered by LIGO for implementation.
Researchers used structured light imaging to produce a detailed 3D picture of tooth decay, allowing dentists to study the process in real-time. This technique has the potential to reveal early stages of decay and enable preventative measures.
A team of researchers has developed an implantable electronic device that can help doctors monitor heart rhythms and prevent atrial fibrillation (AF) attacks. The device uses lower energy shocks to terminate AF episodes, reducing pain and risk of complications.
Karol Zyczkowski and Wojciech Slomczynski found that citizens in different EU countries will have unequal influence on Council of Ministers decisions. They propose a fairer solution called the Jagiellonian Compromise, where voting power is proportional to population, giving smaller states equal weight.
Researchers at Cambridge University have successfully grown nanometer-scale wires into flower-like structures, which can be used as water-repellent coatings and a base for new solar cells. The unique nanostructures are created by controlling the growth process of silicon-carbon materials using liquid metals.
A new paper by Chris Phoenix and K. Eric Drexler argues that self-replication is not necessary for building an efficient molecular manufacturing system, contrary to previous understanding. Instead, simple robot-arms in larger factories are a more practical solution.
Researchers found that soft flaky skin helps reduce drag caused by friction and shedding of the skin disturbs whirlpools of water called vortices, reducing drag. The study could help build faster boats and submarines using natural dolphin-inspired solutions.
Researchers have discovered a molecular force used by spiders to attach themselves to surfaces, which could be the key to creating super-strong adhesive Post-it notes. The van der Waals force is so strong that it allows spiders to carry their own body weight on their feet while standing on ceilings.
These materials have potential uses in lasers, drug detection, and sensors, offering new possibilities for applications with minimal energy cost. Professor Warner's research has increased interest in liquid crystal elastomers, which could lead to further discoveries.
Researchers develop environmentally friendly nano-coatings with unique properties, enabling new devices for consumer electronics and sensing applications. The innovative technology utilizes 3D nanostructures and nano-honeycomb structures to produce sustainable materials and devices.
Researchers developed a model to calculate the optimal length of follow-up time for breast cancer patients without significantly reducing detection rates. By reducing follow-up periods from ten years to four years, six years' worth of physician time and outpatient costs could be redirected to more effective treatment processes.
Researchers developed a system using a tri-axial accelerometer and fractal analysis to study Parkinson's patients' walking patterns. The study reveals the complexity of body motion in both healthy elderly subjects and Parkinson's disease patients, with the latter exhibiting higher fractal measures indicating more complex symptoms.