Articles tagged with Telephones
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A new study from San Diego State University's Fowler College of Business found that monitoring cellphone screen time with specific goals in mind can lead to higher perceived productivity and user satisfaction. However, excessive self-monitoring can induce fatigue and weaken the effect on productivity.
A team of Illinois Tech researchers used machine learning to estimate the age and gender of individual users with high accuracy, raising questions about data security and privacy. The study highlights the need for better regulations and best practices to protect personal information from being misused.
The NTU-developed wind harvester generates a voltage of three volts at wind speeds as low as two meters per second, powering commercial sensor devices. The device can also store excess charge for extended periods in the absence of wind, serving as an alternative to smaller lithium-ion batteries.
The MEMEX project promotes social cohesion by using AI and interactive tools to share community stories linked to cultural heritage. The exhibition features audio-visual stories from Lisbon, Barcelona, Paris, and Genoa participants who co-created their own digital content.
Researchers developed a mobile phone app using AI to accurately detect COVID-19 infection in people's voices, outperforming lateral flow tests. The app achieved an accuracy of 89% and can be used for remote testing, enabling rapid screening of populations.
A large primary care network analysis reveals that telephones and tablets are used most often for telehealth visits. Patients who were younger, Black or Hispanic or Latino, and living in lower-income zip codes had higher rates of telephone or tablet use.
A study from the Alpha Generation Lab found that hyperactive children are more likely to use digital devices, while fidgety children may be more prone to social problems. The researchers suggest a two-way street where digital devices and behavior problems influence each other.
A randomized clinical trial involving 16,000 participants found that receiving text messages had no significant impact on COVID-19 vaccination rates compared to telephone calls. The study suggests that alternative communication methods may be more effective in promoting vaccine uptake.
Scientists have developed a machine learning algorithm that can accurately predict the lifetimes of different battery chemistries using as little as a single cycle of experimental data. The technique could reduce costs and accelerate the development of new battery materials, enabling researchers to quickly evaluate and test multiple ma...
A new study found that naming legislation after a victim increases support for the law and its associated punishment, with notable benefits for laws named after African American women. The study used distracted driving as an example and surveyed a national sample of 1,000 U.S. adults.
Research suggests that EMFs can cause Alzheimer's disease by building up calcium levels in brain cells. This increase leads to changes in the brain, which develop conditions for Alzheimer's. The study highlights the importance of reducing EMF exposure to prevent or delay the onset of Alzheimer's.
A randomized controlled trial found that an online program improved health-related quality of life among adult stroke survivors by promoting healthy lifestyle behaviors and reducing disability. The study showed significant benefits in personal care and daily activities for those who received access to the online program.
A telephone survey called Telephone Interview for Cognitive Status (TICS) was found to be effective in detecting dementia in primary care patients. TICS scored well as a low-cost diagnostic tool, with a score of less than 30 indicating a positive screen for dementia.
A new study suggests that digital financial services, intended to reduce inequality, may actually amplify economic disparities among women in developing countries. The study found that physical infrastructure, mobile phone network quality, education, and wealth all play a significant role in determining access to digital finance.
Researchers found that smartphone app usage patterns can be used to identify individuals with over 30% accuracy. The study analyzed data from 780 people and showed consistent patterns in application usage behaviors on a day-to-day basis. This highlights the potential risks to privacy when using apps automatically collected by smartphones.
A meta-analysis of 4280 samples found cell phone use associated with reduced sperm motility, viability, and concentration. The study suggests male users should limit daily cell phone use to protect their fertility.
A new study by ISGlobal found no association between overall mobile device exposure and sleep disturbances in pre-adolescents, but suggested an effect on sleep when exposure occurs in the evening. The study of over 1,500 children aged 9-12 years old found that those making phone calls in the evening had reduced sleep time.
The study of 2.2 million primary care visits found similar rates of follow-up care for all three visit types, including emergency department visits and hospitalizations. Virtual visits were shown to be a convenient and safe way to address some primary care needs without generating many follow-up office visits.
A new study by NYU School of Global Public Health found that telephone visits accounted for a larger proportion of telemedicine care than video visits, highlighting their role in addressing the 'digital divide'. Despite challenges, providers reported positive experiences delivering care remotely using both phone and video, and emphasiz...
Researchers at Politecnico di Torino developed a new method for creating nanoresonators using 3D printing, achieving mechanical performances similar to silicon-based devices. The technique enables the creation of complex and miniature sensors with improved sensitivity and strength.
A new study found that telephone cognitive behavioral therapy can effectively improve sleeplessness and pain in older adults with osteoarthritis-related insomnia, reducing clinical and financial burdens. The study showed that telephone CBT reduced healthcare costs without increasing them.
A Dartmouth study found that individuals who experienced higher levels of stress on a given day had lower social interaction the following day. The research used mobile phone sensing data from 99 undergraduate students and showed that stress predicted less social interaction, but not the other way around.
Researchers analyzed genome sequences and mobile phone data to track Covid-19 spread in Bangladesh. A three-day window between lockdown announcements and enforcement led to increased infections as citizens traveled to other areas.
The new alkali metal-chlorine batteries can cycle up to 200 times and achieve a capacity of 1,200 milliamp hours per gram, significantly outperforming commercial lithium-ion batteries. Researchers envision their batteries being used in satellites and remote sensors where frequent recharging is not practical.
A study by Environmental Working Group (EWG) recommends stringent health-based exposure standards for radiofrequency radiation emitted from wireless devices. EWG suggests that children's exposure should be 200 to 400 lower than the whole-body exposure limit set by the FCC in 1996.
A study published in PLOS ONE found that urban greenspace use is correlated with demographics, with women, older adults, and ethnic minority groups spending more time outdoors. The authors used GPS data from cell phone apps to track users' visits to local green spaces, revealing significant effects on trip duration and distance.
A research team found that the GEA-1 algorithm, used in mobile phones since the 1990s, is easy to break and likely a deliberate weak encryption. The vulnerability no longer poses a significant threat to users, as most data traffic now uses more secure networks.
A study found that frequent cell phone use while driving is associated with other risky driving practices in young adults, including impulsivity and sensation seeking. The study suggests that targeting all risky behaviors rather than just cell phone use may be more effective in preventing crashes.
The Cornell Farmworker Program is expanding its efforts to reach New York state's diverse farmworkers with critical health and legal information. The grant will help integrate on-the-ground training with Cornell University research across colleges.
A study of 45 million mobile users in the US found that poorer communities spent less time indoors during lockdowns, with lower earners often unable to afford stay-at-home orders or working from home. This disparity worsens social inequality and puts vulnerable groups at greater risk from COVID-19.
Scientists discovered a scaling law governing urban visitor numbers based on travel distance and frequency, with surprising implications for city planning and pandemic prevention. The law predicts equal energy allocation to travel regardless of distance or frequency, optimizing trip choices.
Researchers found an inverse relationship between distance and frequency of visits, with people visiting closer places more often. The study, which analyzed cellphone data from over 4 million people in four continents, suggests that urban planning can benefit from understanding this pattern.
The study found that the brain processes individual features of an object, such as sounds and actions, and also abstract symbol-like features. The researchers developed a hierarchical model to reflect how conceptual knowledge is represented in the human brain.
A new study by UCSF found that 9 out of 10 clinicians support using telehealth for outpatient care, despite concerns about diagnostic accuracy. Clinicians reported challenges with speech, hearing, and cognitive barriers, as well as limited internet access and language barriers.
Scientists at Texas A&M developed a cellphone extension that detects chemicals, drugs, and biological molecules using fluorescence and Raman spectroscopy. The system's sensitivity is comparable to industrial Raman spectrometers but can be improved with HDR applications.
Researchers at NIST have developed an atom-based sensor that can determine the direction of incoming radio signals, a crucial component for atomic communication systems. The sensor uses Rydberg atoms to measure phase differences and calculate signal arrival angles, offering advantages in accuracy and universality.
Researchers found that telephone poles attract flight-dispersing spotted lanternflies, which are visually drawn to turn and land on the poles. The pole serves as a visual magnet, attracting a large proportion of the insects.
Research published in BMJ Open found that preschoolers' extensive electronic media use is associated with hyperactivity, short attention span, and friendship issues. The study suggests that excessive screen time may impede healthy development, affecting language and social skills.
Artist Michael McDermott creates an art exhibit using images, text, and audio from old cellular phones to raise awareness about digital data privacy. The project aims to educate viewers on the importance of safeguarding deleted information and best practices for disposing of old devices.
A randomized clinical trial found that a layperson-delivered empathy-focused program of telephone calls significantly reduced loneliness, depression, and anxiety compared to the control group. The study showed improved general mental health within four weeks.
Researchers at Graz University of Technology develop a new method of contact discovery that significantly limits privacy threats, using intersection calculations and encryption protocols. The ContactGuard application stores encrypted address book entries on the mobile phone, preventing service providers from accessing sensitive data.
Scientists have discovered genes involved in autoimmune Addison's disease, a life-threatening hormonal deficiency caused by immune system destruction. The discovery could lead to personalized treatment options and may determine the molecular repercussions of predisposing genetic variations.
A RAND Corporation study found that most telehealth appointments at clinics serving lower-income Americans were audio-only, with primary care visits at 48.5% telephone-only and behavioral health visits at 63.3% telephone-only. This may pose challenges for the future if payers consider dropping reimbursement for such services.
A new study found that anonymous cell phone data can quantify behavioral changes for flu-like illnesses, while protecting user anonymity. The research linked passively-collected cell phone metadata with actual public health data, providing a potential tool to monitor and control infectious disease outbreaks.
Researchers at the University of Kansas created virtual SMART Recovery groups to provide remote support to individuals struggling with addictions. The program has seen significant growth, with over 20 people attending online meetings and a new telephone service called SMARTline providing additional support.
Researchers studied why people use their smartphones at cafés, identifying three main reasons: delaying conversation, shielding interaction, and sharing content. Deliberate phone use can be seen as polite if explained or used to signal busy-ness, while excessive use can be perceived as rude.
Cornell researchers received an NSF grant to design a new class of radio devices that can operate across a large portion of the electromagnetic spectrum while suppressing interferences. The team's approach uses adaptive filtering to reject any interference, allowing for efficient use of wireless frequencies.
A study found that virtual doctor visits are increasingly used, with different demographics accessing them at varying rates. Telephone visits were more likely among older patients, Black patients, and those with Medicaid or Medicare insurance.
Researchers developed a groundbreaking model that defines new geographical scales from mobile tracking data, bringing geography back to understanding of mobility. The model identifies typical distances and choices corresponding to geographical boundaries, varying by individual characteristics.
A new computer vision app developed by University of Cambridge engineers allows easier monitoring of blood glucose levels in people with diabetes. The app uses a smartphone camera to read glucose meter data, eliminating the need for manual input or internet connectivity.
Researchers found that generating content during experiences increases immersion and enjoyment. People tend to create content that is directly relevant to their current experience, with positive effects on evaluations. Marketers can encourage consumers to generate content by offering incentives or social norms nudges.
A study found that individuals with low vision require fewer characters per line to achieve optimal reading speed compared to those with normal vision. The findings highlight the importance of customizing digital text formats to optimize reading performance for both groups.
Researchers at Ludwig Institute for Cancer Research developed a protocol to overcome difficulties in engineering and expanding mouse T cells for CAR-T cell therapies. The new method showed improved tumor control, proliferation, and persistence of CAR-T cells, as well as enhanced reprogramming of the tumor microenvironment.
A comparative analysis of Tokyo residents' mobility data revealed a significant slowdown, leading to reduced social contacts and lower disease transmission. The study found that people with higher income were more capable of limiting their movement and contact, validating the effectiveness of non-pharmaceutical interventions.
A study found that mobile devices expose Americans to a much greater variety of news, contrary to the conventional wisdom about segregated news bubbles. This exposure can help reduce the effects of misinformation and promote democratic discourse.
Researchers developed a platform using aerial images from mobile phones, drones, and satellites to detect banana diseases in Africa. The system uses machine learning and has been downloaded 2,500 times.
Scientists at Flinders University have created a new type of nanogenerator that can capture power from environmental vibrations, enabling the development of wireless charging systems and implantable energy harvesting devices. The technology has the potential to revolutionize the way we generate and use energy.
University students increased mobile phone use by 50% during lockdown, leading to decreased physical activity and worsened sleep quality. The study highlights the need for behavioural changes to reduce sedentary lifestyle and improve population health.
Scientists from Chinese and German institutions report on time-resolved measurements of lunar surface radiation, revealing an equivalent dose rate of about 60 microsieverts per hour. This poses considerable exposure for humans, highlighting the need for shielding during long-term moon stays.
Researchers at Penn State develop a new type of imaging that uses reconfigurable particle-based masks to take multiple shots of an object, improving disease diagnosis and microscopy. The technology may also lead to thinner cellphone cameras by minimizing the space requirement.