Articles tagged with Photography
A new technique using micro-X-ray fluorescence (MXRF) rapidly reveals elemental composition of fingerprints, allowing for detection of chemical markers and revealing environmental clues. This non-destructive method could provide a valuable complement to traditional fingerprinting, particularly in tracking down missing children.
Forensic bite-mark matching has been criticized due to its fallibility and distortion problems. A new approach using 3D imaging has shown promise in improving accuracy, but with a 15% chance of incorrect matches. The technology could be useful in courtrooms for illustrating the likelihood of a match.
Scientists adapted a molecular biology technique called mass spectrometry-based genotyping to quickly detect and analyze the SARS virus from clinical samples. This breakthrough provides valuable information on transmission routes and containment policies.
Researchers at NIST developed a simple, chemical way to attach electrical contacts to molecular-scale electronic components. The technique, patented by the institute, uses copper ions to form strong, chemically bonded contacts that protect fragile molecules during further metallic vapor deposition steps.
Archaeologists have discovered over 250 new examples of England's finest array of prehistoric rock art carvings, which can now be admired on a comprehensive website. The site features 6,000 images, interactive games and audio clips, and is said to be the most extensive database of its kind in the world.
Geologists challenged the idea that the Tibetan plateau is losing elevation as it spreads out over India. Instead, new research suggests the plateau is being compressed between the Indian subcontinent and the North China block, causing Tibet to split like an orange squeezed by a vise.
The American Geosciences Institute announced winners of the Earth Science Week contest, showcasing artistic talents in visual arts, essay writing, and photography. The contests aimed to increase public awareness of geology and the earth sciences.
Researchers at Purdue University developed a method to trace documents to specific printers, enabling law enforcement to investigate counterfeiting and homeland security matters. The technique uses unique printer characteristics and embedded features to identify the printer used to create documents.
A study reveals that the apparent movement of eyes in paintings is caused by visual perception, not supernatural forces. The researchers found that changes in viewing direction had little effect on the observers' perceptions, except for making the torso look thinner when viewed from an angle.
Researchers develop 'slow MAS' technique to study metabolism, diagnose diseases and observe cell physiology without harming animals. The non-invasive method uses pulsed radio waves to separate signals from unwanted spinning side bands.
Scientists have created a new technique to write nanometer-scale patterns onto surfaces, extending the capabilities of dip pen nanolithography. The thermal dip pen nanolithography (tDPN) method uses solid inks and special AFM probes with built-in heaters to control ink flow, allowing for precise patterning in vacuum environments.
The new software uses AI to identify aesthetically important elements in photographs, then distills them into a cubist composition. It has the potential to revolutionize animation production and create new forms of automated art.
Archaeologists have found three unusual markings carved into rocks near Rothbury, Northumberland, including a small heart shape and a stylised human face. The origin and meaning of these marks remain unknown, with experts speculating they could be as young as 100-250 years old.
A study suggests that people unconsciously recall images associated with African-Americans when reading news about violent crime, reflecting the influence of stereotypes on memory. This can have implications for law-enforcement scenarios, such as identifications in line-ups and racial profiling.
This May 2004 Ophthalmology journal issue covers a range of topics including refractive surgery, protective eyewear in the military, and ultraviolet absorption of intraocular lenses. Key findings also include higher risk of multiple falls among elderly women with visual acuity loss and patterns of macular edema in patients with uveitis.
Indiana University researchers use facial recognition technology to examine faces of children from across the globe to identify visual characteristics of Fetal Alcohol Syndrome. The study aims to establish key points for diagnosis and provide standardized assessments, enabling all children with the disorder to receive necessary services.
A study found that 45 first-year psychology students reported elaborate false memories of a fictional event after being told three stories about their grade-school experiences. The presence of a real class photo doubled the rate of false memories compared to studies without photographs.
Biophysicists at Cornell University have developed a new technique to optically record millisecond-by-millisecond signaling through nerve cells. The method combines multiphoton microscopy with specially developed dyes and second-harmonic generation, allowing for high-resolution images of brain nerve impulses. This breakthrough could he...
Archaeologists at Newcastle University and Australian National University estimate rock paintings in the uKhahlamba-Drakensberg are up to 3,000 years old. This new study uses accelerator mass spectrometry radiocarbon dating to contribute significantly to understanding San hunter-gatherer society.
A new RIT study aims to improve the quality of art imaging in American museums by documenting current practices and developing new testing procedures. The project will also increase the scientific level of museum imaging professionals.
Researchers at Carnegie Mellon developed a smart system that improves darkened photographs by digitally adding light to shadows. The tool, called Shadow Illuminator, uses principles based on human vision processes to enhance details within shadows.
A recent study published in Science found that the direction of another's gaze significantly affects how we perceive emotions. When viewing pictures of angry or fearful expressions, brain activity increases in the amygdala when the person is looking away or not making direct eye contact.
Researchers have discovered that insects breathe rapidly in a manner similar to lungs, with tracheal compression and expansion exchanging up to 50% of air every second. This new technique, utilizing synchrotron x-ray beams, opens doors to studying animal functions, biomechanics, and movements.
A researcher at the University of Toronto has developed a method to automatically remove the unsightly scarlet spots, known as red-eye, from digital images. The software isolates the reddened areas of the eyes and replaces them with natural eye color, providing a convenient solution for consumers.
Arjun Heimsath and Hany Farid developed a new method to create 3D models of remote regions using 2D photographs, making it easier for researchers to predict landslides and erosion rates. The technique has limitations, such as requiring clear images of the ground surface and a good point of view.
Engineers at Purdue University have created a new kind of computer-imaging software that uses stippling to quickly produce complex pictures of internal organs and other renderings. The method is 10 times faster than some conventional methods, enabling real-time previewing of medical images.
The study found that younger children focus on capturing moments and details, while older kids start to consider aesthetics and formal properties. Children's photography skills improve significantly as they age, reflecting their growing understanding of the relationship between the physical world and the resulting image.
A computer system developed by Newcastle University researchers accurately predicted the spread of breast cancer and five-year survival rates in nearly 90% of patients. The system uses a combination of neural networks and fuzzy logic to analyze images of cells from tissue samples.
The robotic microscope enables repeated analysis of cellular changes, allowing scientists to identify factors predicting cell fate and guide investigation into neurodegeneration. With the microscope, researchers can analyze 300,000 cells in just 15 minutes, reducing laborious tasks and eliminating bias.
Researchers developed a standardized procedure to obtain oral consent from illiterate populations through audiovisual recording. The method allowed more than half of potential participants to exercise their freedom of refusal, paving the way for increased participation in clinical research.
A new extraction process, known as Universal Extractant (UNEX), has been developed to remove multiple radioactive elements from high-level nuclear waste in a single step. This process reduces the volume of waste by at least twentyfold, making it cheaper and safer to store.
Conservation biologists leverage NASA's technology for biodiversity conservation projects. Satellite and radar images are used to identify high-biodiversity areas, track changes in ecosystems, and understand the impact of human activities on wildlife populations. These studies have implications for reserve creation and corridor managem...
Researchers have found evidence of an extreme warp in the stellar disk of the Andromeda Galaxy, which may be the most extreme case of a warped spiral galaxy. The findings suggest that interactions between Andromeda and its satellite galaxies could be responsible for the warp.
A new Hubble image captures the entire stellar life cycle in a single photograph, showcasing various stages of star formation and evolution. The galaxy NGC 3603 is home to multiple starburst clusters, young massive stars, and a blue supergiant nearing its supernova fate.
Kodak and Intel are teaming up to produce a device that lets normal stills cameras take digital pictures. The new technology uses microchips that can be built into film cameras, allowing images to be transferred to CD-ROM for permanent storage.