Articles tagged with Telephones
A pilot study tracked the movement of 14- to 16-year-old girls using GPS-enabled cell phones, revealing they spend more time away from home and school than anticipated. The study aims to learn about the characteristics of environments that influence health behaviors.
A large-scale field experiment shows that social pressure from mailings increases voter turnout, with effects rivaling face-to-face contact and live phone calls. The study suggests that mailings with social pressure are a cost-efficient way to boost voter turnout.
Researchers from ETH Zurich have successfully tested high-speed WLAN network using MIMO technology, increasing data transfer rates up to four times higher than existing networks. They developed efficient decoding algorithms for multi-antenna systems, enabling practical implementation in complex networks.
A recent Carnegie Mellon University study found that listening to cell phones while driving can cause significant impairments, including a 37% decrease in brain activity associated with driving. Drivers who listened to their cell phones committed more lane maintenance errors and had reduced spatial sense and navigation.
A survey of 305 college students found that 40% of cell phone users said they walked alone at night after dark. Women reported feeling safer with their phones, leading to increased willingness to take risks.
Researchers at Purdue University have developed a system that uses cell phones with radiation sensors to detect and track radioactive material, making it difficult for terrorists to go undetected. The system can pinpoint the location of radiation sources using data from multiple cell phones.
A University of Utah study found that drivers on cell phones drive slower, make fewer lane changes, and have lower overall speeds, leading to increased travel times. This can substantially reduce traffic flow, increasing congestion on highways.
Patients report feeling uncertain about out-of-hours primary care services, with concerns over appropriateness and responsiveness. Staffing issues and slow handling times are also cited as key problems, highlighting the need for better patient experience monitoring.
Patients using out-of-hours services report feeling uncertain about the appropriateness of their calls and concerns about slow case handling. Despite this, many are happy with the quality of service once they speak to a healthcare professional.
A series of massive volcanic eruptions in India may have killed the dinosaurs 65 million years ago, rather than a meteor impact. Microscopic marine fossils found in sediments near the Bay of Bengal support this theory, directly linking the Deccan Traps to the mass extinction event.
A depression outreach-treatment program improved symptoms, job retention, and hours worked among employees compared to usual care. The program's financial benefits for employers include recovered hiring, training, and salary costs.
A study published in the Journal of the American Medical Association found that workplace depression screening and enhanced treatment can significantly improve employee health and productivity. Employees who received intervention were 40% more likely to have recovered from their depression and worked an average of two more hours per week.
Research published in Critical Care found that mobile phones can cause electromagnetic interference (EMI) on critical care equipment such as ventilators and pacemakers. The study recorded almost 50 EMI incidents, with the second generation GPRS signal causing the highest number of incidents at over 60%.
A study published in SLEEP found that adolescents who used their cell phones after bedtime were more likely to experience tiredness the next day. The researchers, led by Jan Van den Bulck, discovered that frequent phone use increased the risk of tiredness, with those using their phones daily being up to 5 times more likely to feel tired.
A recent analysis by Robert Horwitz reveals that South Africa's telecommunications reform has largely failed to improve access and affordability for the majority of the population. Despite comprehensive legislation passed in 1996, Telkom was able to thwart competition and impose high prices, limiting service offerings.
A new study by UC-San Diego computer scientists found that 94% of spam-advertised online scams are hosted on individual web servers, not hundreds or thousands of compromised computers. The researchers used a new internet monitoring approach to analyze over one million spam emails and identified the hosting servers for these scams.
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.
Researchers at MIT have successfully demonstrated wireless power transfer using coupled resonant objects, enabling the charging of devices without physical connections. The team's 'WiTricity' concept uses magnetic fields to transfer energy efficiently, promising a future free from bulky batteries and power cords.
A recent study by Cornell University found that most US call centers are operated within the United States, not in India or other overseas locations. The report also highlights high staff turnover rates and costs, as well as the importance of collective representation in managing call centers.
Healthcare systems are increasingly relying on mobile communication technology to improve care, but little guidance exists on its safe use. The UK and US are leading the way in applying this technology, but existing guidance is limited in scope and often fails to address key concerns.
Dental patients can benefit from referring to tobacco-use telephone 'quitlines' for support in quitting smoking. A pilot study found that 25% of patients who used quitlines stopped using tobacco at six months, compared to 27.3% in the brief-counseling group.
A new study by Research Australia found that carrying passengers increases the likelihood of a crash by 60% compared to using a mobile phone while driving. The risk is lower than mobile phone use but higher due to the prevalence of passenger transport.
Researchers at UCLA have achieved a record-breaking 18 lumens per watt for red phosphorescent LEDs using a new combination of polymer-infused liquid, resulting in brighter, clearer pictures and slimmer profiles. The development aims to make future LED TVs cheaper while maintaining high image quality.
Researchers at Michigan State University have developed a new corn variety that can break down cellulose in leaves and stalks into simple sugars for ethanol production. This innovation allows for more cost-effective and efficient production of ethanol, enabling the sale of waste products as an economically viable commodity.
Research found telephone-guided treatment with clot-busting drug tissue plasminogen activator (tPA) to be safe and effective for rural stroke patients. The study, the largest of its kind, showed improved outcomes compared to a large national study published in 1995.
Researchers are exploring the effectiveness of telephone support groups for older adults with HIV. A new four-year study aims to test the benefits of this approach in treating depression and other mental health issues among seniors with HIV.
Virginia Tech researcher Patrick Schaumont is developing a methodology to create secure embedded system designs. His goal is to protect sensitive information stored on portable computers, including access codes and high-resolution photographs.
Researchers have developed a fuel cell battery that runs on virtually any sugar source, offering a potential replacement for lithium ion batteries in portable electronics. The biodegradable battery has the longest-lasting and most powerful sugar-based design to date, with promising results from testing with various sugar sources.
Researchers have discovered a new type of plastic that can conduct electricity as well as current semiconductors, enabling mobile phones and other devices to withstand accidental drops. This material has the potential to revolutionize consumer electronics, making products cheaper and more durable.
A study by Mayo Clinic researchers found that normal cell phone use has no noticeable impact on patient care equipment. The five-month test involving 300 calls and 192 medical devices revealed no problems incurred.
A University of Florida study found that abandoning net neutrality discourages internet service improvements, with broadband providers collecting fees from content providers. The study suggests that consumers who pay for preferential treatment will have faster loading times, while those who don't may experience slower speeds.
The study found that 87% of Americans heard the FDA's main message, but many were confused about details such as types of affected spinach. Most consumers stopped eating spinach due to the recall, with 44% already consuming it again within months.
Researchers at UC San Diego have created an 'origami lens' that folds the telephoto lens, enabling the creation of ultrathin, high-resolution miniature cameras. This technology addresses performance issues in cell phone cameras and may be used for unmanned surveillance aircraft, infrared night vision, and other applications.
Researchers have identified a neural bottleneck in the brain that prevents simultaneous processing of multiple tasks, such as driving and talking on a cell phone. The lateral frontal and prefrontal cortex regions were found to be responsible for this limitation, which causes a delay in neural activity when performing two demanding tasks.
Researchers at Virginia Tech are working on a three-year project to improve the security of software-defined radio (SDR) technology. The goal is to make SDR devices more secure against malicious tampering and attacks.
A study conducted by The George Institute found that 60% of drivers in NSW and WA use their mobile phones while driving, leading to a significant increase in crashes and near-misses. Younger drivers, men, and metropolitan residents are the worst offenders, with over 30% writing text messages while driving.
Scientists discovered that higher body mass, not lifespan, increases the risk of cancer due to telomerase expression. Rodents from various species showed a correlation between body size and telomerase activity, while human's don't express it in somatic cells, suggesting evolution prioritized cancer prevention over healing.
A large cohort study of over 420,000 cell phone users found no link between long-term or short-term cell phone use and an increased risk of brain tumors, salivary gland tumors, eye tumors, or leukemias. The study suggests that cell phone use is not associated with cancer risk.
Researchers have developed a method for wireless energy transfer that uses non-radiative electromagnetic fields to power devices. The technology has the potential to recharge laptops and cell phones without wires, with an object the size of a laptop able to be charged within a few meters of a power source.
A study by CQU's International Program for Psycho-Social Health Research (IPP-SHR) revealed that standardised questionnaires in hospice practice negatively impacted upon patients' and carers' experiences and wellbeing. Informal conversation was seen as a flexible, sensitive, and consumer-focused alternative to questionnaire use.
Researchers studying ancient zircon crystals and river sediments discovered the Amazon River once flowed east-to-west, reversing its current direction. The finding dates back to around 1.3-2.1 billion years ago, during the Cretaceous Period.
In a study published in the Journal of Marketing, Erica Okada found that consumers who have bought an older model are similarly hesitant to upgrade to a new version, even if it offers enhanced features. This is because they incur a psychological cost when closing their mental account of previous consumption.
Researchers have discovered how nanoscale magnetic oscillators communicate using spin waves, enabling them to synchronize signals and achieve stronger signal strength. This finding has implications for designing nano-oscillator arrays for use in cell phones, radar systems, or computer chips.
A recent study published by University of Utah psychologists found that drivers using handheld or hands-free cellular phones are as impaired as drunken drivers. The study's lead author, David Strayer, suggests that legislators should consider outlawing cell phone use while driving to address driver distraction.
Researchers in Italy found that exposure to cell phone EMFs can cause changes in the motor cortex of the brain. The effects were transient and reversible, but further studies are needed to understand the potential risks and benefits. The study has significant implications for individuals with conditions involving cortical excitability.
Researchers found that synapses act as fine-tuned filters, amplifying meaningful patterns and eliminating stray noise. Synaptic transmission is highly temperature-dependent, and the two types of synapses work together to identify patterns carrying relevant information.
A study by Duke University Medical Center found that telephone counseling can improve the quality of life for patients waiting for a lung transplant, reducing emotional distress and anxiety. The researchers believe this approach could be useful for patients with chronic diseases who cannot access face-to-face counseling due to distance...
A University of Alberta study found that teenaged girls aged 14-17 viewed cellphones as a means to balance freedom and responsibility, with parents' concerns driving their behavior. Despite advertisements showcasing independence, the girls prioritized staying safe and answering home calls.
A study of 100-Car Naturalistic Driving Study data found that driver distraction and inattention significantly contribute to crashes and near-crashes. Drowsiness is a major problem, increasing the risk by at least four times, while cell phone use is the most common distraction.
A randomized controlled trial found that telephone support from bilingual prevention care managers significantly increased cancer screening rates among low-income and minority women. The intervention resulted in a 12% increase in mammography screenings, a 7% increase in Papanicolaou tests, and a 13% increase in colorectal screenings.
A telephone quitline network can significantly help smokers quit compared to standard care, with higher rates of abstinence and usage of additional smoking cessation techniques. The study supports the recommendation for a national network of quitlines to make these services available to all tobacco users.
A University of Minnesota study found that telephone support for smokers was more effective in helping them quit than standard medical care. The study, published in Archives of Internal Medicine, showed that 40% of participants who received telephone support had not smoked in the previous seven days after three months.
A recent study found that television advertisements were the most helpful in the quitting process, reaching and assisting over 30% of smokers. Emotionally arousing ads featuring smoking-related illnesses or inspirational quit tips were deemed most effective by quitters.
The Cityware project aims to develop pervasive computing technology that enables users to access services anywhere, anytime. The project will test new location recognition tools, interactive games and cultural activities, as well as information services for everyday life.
A University of Houston graduate student has developed a new type of memory storage device using solid state physics, promising faster access to data, music, and movies in hand-held devices. The invention utilizes magneto-electric effects in multiferroic compounds to read and write information.
A Yale University study found that mobile phone use by medical personnel reduces error rates in hospital care. The study, which surveyed 4,018 anesthesiologists, found that digital cell phones have a lower risk of electromagnetic interference than analog cell phones.
Researchers have discovered a way to strengthen carbon nanotubes by heating them to extreme temperatures, resulting in a nearly 280% increase in strength and a significant reduction in diameter. This breakthrough has implications for the development of high-temperature-resistant ceramics and electronics.
A study by Noelle Chesley found that cell phone use decreased family satisfaction and increased psychological distress among working couples. The study also revealed negative work-to-family and family-to-work spillover, with women experiencing greater impact.
A study by Oregon State University researchers found that switching between tasks, like driving and cell phone use, leads to delays in response time and accuracy. The study suggests that simplifying tasks can help efficiency, but technology is complicating everything, including driving.
A new study by Ohio State University found that most people can't correctly identify the purpose of a public building just by looking at its form. The researchers used photographs of city halls, libraries, art museums, and live theaters to test this principle, with participants guessing correctly only 32% of the time.