Articles tagged with Smartphones
A research team developed an analytical model to evaluate the performance of grant-free communications schemes in densely populated IoT environments. They found that interference cancellation improved base station throughput but did not resolve the near-far problem, while power control addressed it but led to decreased overall network ...
A new study reveals that tweens who use devices in bed and receive notifications are more likely to experience sleep disturbance. Experts recommend keeping screens outside the bedroom, turning off notifications, and avoiding social media before bedtime to promote healthier sleep habits.
A new time-division MIMO technology enables phased-array receivers to operate at high speeds while reducing power and circuit area, addressing limitations in traditional systems. The innovation achieves a record-setting 38.4 Gbps data rate across eight streams, paving the way for practical large-scale MIMO systems.
A study of 403 Italian adolescents suggests that low social support and a tendency to compare oneself to others are associated with an increased risk of problematic social media use. The longitudinal study found that these factors predict trajectories of adolescent social media use over time.
A study identified distinct trajectories of addictive social media, mobile phone, and video game use in US youths, finding links to increased suicidal ideation and worse mental health outcomes. The research suggests that high or increasing addictive screen use may warrant further clinical evaluation and intervention design.
A team of researchers from Japan has developed an ultra-compact, low-power 150 GHz radio module enabling high data rates in mobile devices. The proposed design integrates a phased-array transceiver with several key innovations to overcome the main challenges of operating at frequencies in the 150 GHz band.
Researchers used anonymized GPS data from smartphones to monitor how wildlife reacts to people, highlighting the potential of human mobility data in tracking human-wildlife conflicts. The study's findings can inform conservation planning, help protect animals and wild spaces, and ensure that recreational activities are done responsibly.
A research team at POSTECH developed a metasurface technology that can display multiple high-resolution images on a single screen, overcoming conventional holographic limitations. The innovation uses nanostructure pillars to precisely manipulate light, allowing for different images based on wavelength and polarization direction.
Researchers discovered ferroelectric phenomena at a subatomic scale in Brownmillerite, overcoming collective atomic vibrations limitations. This property enables selective domain formation within tetrahedral layers when an electric field is applied.
A new study published in JAMA Network Open found that as preteens used more social media, their depressive symptoms increased by 35%. The research team tracked changes over time in each child to accurately assess the link between social media and depression. Experts suggest using digital habits tools to create healthier online behavior...
Hari Kalva, a pioneer in video technology, has been inducted into the Florida Inventors Hall of Fame. His work has enabled the pixels of modern life, from Netflix streams to smartphones. He is also credited with developing the MP4 file format and pioneering machine learning for video encoding.
A recent study published in PNAS Nexus has found that 5G exposure does not alter gene expression and methylation profiles in human skin cells. The researchers used advanced equipment to control for temperature, which was previously cited as a potential cause of adverse effects.
Researchers at the University of Surrey unveiled a new type of electronic component called multimodal transistor (MMT) that simplifies display circuits while improving performance and sustainability. The MMT enables compact high-performance circuits suitable for devices like smartphones, tablets and wearables, reducing power requiremen...
Researchers developed a small sensor system that tracks passing cars and sends data to riders' phones. The team tested the system in Seattle and found a significant correlation between close passes and other indicators of cycling risk. The system could support mapping or navigating cyclists on safer bike routes through cities.
Researchers at Texas A&M University are developing a new method to recover rare earth elements from old electronics, such as tablets and phones, using solid-phase extraction technology. This method aims to reduce energy use, cut down on solvents, and streamline the process, making it more environmentally friendly and commercially viable.
A recent University of Georgia study found that a popular smartphone application frequently reports lower temperatures than direct on-site measurements, potentially leading to safety concerns. The app also underestimated the necessity of activity modifications to mitigate heat-related risks.
A team of researchers from Kyoto University has developed a smartphone app that teaches core techniques of cognitive-behavioral therapy (CBT) to treat subthreshold depression and anxiety. The app, RESiLIENT, was tested in the largest-ever individually randomized trial of its kind, showing promising results with no serious adverse effects.
Researchers developed a new method that uses simple grayscale eye photos to predict anemia in children. The technique analyzes patterns and textures in the conjunctiva of the eye, avoiding problems caused by different light conditions or camera models.
The University of Texas at Arlington's 23 patents granted in 2024 helped boost the UT System's position among the nation's top innovators in patent technology. The UT System ranks No. 3 in the National Academy of Inventors' prestigious top 100 ranking.
A new study found that Michigan Medicaid telehealth improved access to care for adults with low incomes, including those living in rural areas. The program increased the use of telehealth among enrollees, who were highly satisfied with the experience, and reduced barriers such as transportation and caregiving responsibilities.
Researchers at Nagoya University developed an ultra-thin loop heat pipe to improve heat control in smartphones and tablets. The device transports heat without electricity, enabling sustained high performance without compromising on design or user experience.
Researchers at Pohang University of Science & Technology and Jeonbuk National University successfully trapped mechanical waves within a single resonator, overcoming a century-old physics barrier. The discovery opens new possibilities for energy harvesting, ultra-sensitive sensors, and advanced communications.
Quantum Base, a Lancaster University spin-out, has successfully floated on the London Stock Exchange with a £4.8 million fundraising. The company aims to harness quantum technology to address real-world challenges through its patented Q-ID solution for anti-counterfeiting.
Eventgoers use social media to capture special moments and construct narratives of their own lives, intersecting with communal narratives. This mediated memory work influences how they experience and remember live events, blurring the lines between the present and future.
A new study published in PLOS Digital Health found that older drivers with GPS navigation systems tend to drive more frequently, suggesting these tools help maintain driving mobility. The research reveals that using GPS can alleviate spatial orientation difficulties and support older adults' independence on the roads.
A study from the University of California, Riverside, found that a smartphone app can subtly reshape a person's self-image at work. The app, called MindTAPP, uses associative conditioning to pair users with positive affirmations, leading to more favorable views of their workplace abilities and a heightened sense of self-efficacy.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
Researchers at TUM integrate 60 camera pixels into a single detector, achieving unprecedented resolution of up to 3840 MPixels. This technology enables the observation of tiny shifts due to gravity in antihydrogen beams and has broader applications in experiments requiring high position resolution.
Researchers are using smartphones to capture naturalistic data on memory, sleep, and dreams, finding that a single night of sleep influences memory for the events that occurred the day before. Memories following sleep were more vivid, felt temporally closer, and were easier to recall.
Researchers found that placing smartphones out of reach doesn't reduce distraction, as people shift attention to laptops. The study suggests that device usage is driven by habits and routines developed with devices, not the devices themselves.
International experts say blanket restrictions on smartphone and social media access are ineffective in promoting healthy technology use among children. A rights-based approach focusing on age-appropriate design, education, and protection is needed to safeguard children from harm while developing skills for digital society participation.
A new study found that smartwatches paired with a health app can encourage people with newly diagnosed Type 2 Diabetes to maintain a home-delivered, personalised exercise programme. This programme showed improvements in blood sugar levels, systolic blood pressure, cholesterol, and quality of life.
Researchers developed a lighter, smarter magnetoreceptive e-skin that tracks signal paths for applications like virtual reality and robotic systems. The new technology emulates the functioning of real skin and saves energy by using a single global sensor surface and central processing unit.
A new study found that smartwatches paired with a health app can encourage people with newly diagnosed Type 2 Diabetes to start and maintain purposeful exercise, leading to improvements in blood sugar levels and systolic blood pressure. The programme also helped participants lower cholesterol and improve their quality of life.
A groundbreaking new study of young people's digital media use reveals evidence that smartphone ownership benefits children and links social media posting to negative outcomes. The Life in Media Survey will track digital media use and wellbeing across the lifespan.
The POSTECH research team developed a smartphone-type OLED panel that can transform its shape while functioning as a speaker, maintaining ultra-thin flexibility. The panel uses electrically driven piezoelectric polymer actuators to achieve complex forms without mechanical hinges or motors.
The University of Texas at Arlington has contributed 23 patents to UT System's total of 234, increasing by 15% over 2023. This recognition showcases the university's role in translating research into daily innovations.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
A randomized clinical trial found that a customized smartphone app, Silvia Program, significantly improved cognitive functioning among residents with mild cognitive impairment. The program's combination of daily goal setting, cognitive training, and AI-generated conversations showed promising results.
Researchers at Curtin University have developed a new type of quantum dot that matches or outperforms traditional cadmium-based QLEDs in terms of efficiency and color accuracy. The breakthrough technology emits pure and vibrant blue light with an impressive 24.7% efficiency, lasting nearly 30,000 hours.
A study found that social influence and trust play key roles in older adults' adoption of demand-responsive transportation. The research, conducted in Senboku New Town, Osaka, revealed significant relationships between behavioral intention and performance expectancy among older people.
Researchers found that blocking mobile internet for two weeks led to notable improvements in mental health, subjective well-being, and sustained attention. Participants spent more time engaging in offline activities and experienced increased sleep, social connection, and decision control.
Reducing smartphone use improves cognitive functioning, mental health, and wellbeing. Blocking internet access for two weeks resulted in significant improvements in sustained attention ability and symptoms of depression.
Researchers found that textisms like adding periods after each word or putting words in individual bubbles can add emotional intensity to messages. The study suggests that readers interpret these textisms as conveying emotion, assuming they were included deliberately.
Researchers from Science Tokyo developed three design techniques to enhance power efficiency and data rates in wireless transmitters, enabling synergistic operation of electronic devices. The techniques avoid the power-hungry CORDIC circuit block and ensure linearity in amplitude and phase modulation.
A large study found that telemedicine and training apps had minimal positive effects on patients with type 2 diabetes and coronary heart disease. The study suggests that direct care from medical professionals remains crucial for improving health outcomes in this population.
Dr. Alison Altman, a Texas A&M chemist, has received the NSF CAREER Award to support her research on underexplored elements of the periodic table and their applications in technology. She aims to expand chemistry education at all levels, emphasizing its impact on everyday life.
Researchers have developed a new form of QR code that can protect users from phishing attacks by signaling whether a link is safe or not. The SDMQR codes provide an added layer of security without interfering with existing functionality, allowing companies to replace traditional barcodes with more sophisticated QR codes.
A new study found that fertility-tracking technology use increased in some US states after the Dobbs decision, with more women using apps for pregnancy prevention rather than planning. The study suggests a need for education on tech's reliability and implications for user data security.
A team of researchers from the University of Tokyo has developed an ultrathin film that can absorb terahertz waves in the 0.1–1 THz range, enabling secure and clear transmission for 6G wireless communications. The absorber is made of titanium and oxygen and can be used outdoors due to its resistance to heat, water, light, and organic s...
Researchers at Incheon National University have developed a new AI-powered solution to improve high-speed users' connectivity in 5G and 6G networks. The method significantly reduces errors and improves data reliability by prioritizing key parameters such as angles and delays.
A first-of-its-kind study found that restrictive school policies didn't lead to lower phone and social media use among students, nor better outcomes in mental health and wellbeing. The study suggests that reducing time spent on phones is crucial, but schools must consider phone use beyond their boundaries.
A new pilot study assesses how caregivers use advanced wearable technology to support people with dementia, finding that it reduces emotional strain and increases caregiver satisfaction. The technology, called Theora Care, provides a wearable device and smartphone application that alerts caregivers when the person has wandered.
A recent study found that half of US adolescents spend at least 66 minutes per day on their smartphones during school hours, with the majority using messaging and social media apps.
The University of Texas at Arlington is developing more efficient processes for sourcing rare earth elements needed to produce high-performance magnets. The project aims to make the mining of these critical materials more environmentally sustainable and cost-effective.
A new research project led by Cambridge will review existing studies on the impact of smartphones and social media on children's mental health and wellbeing. The team aims to provide policymakers with high-quality insights to inform future action, considering factors such as online habits, emerging technologies, and vulnerable groups.
The BiliSG app uses machine learning to analyze skin color and predict bilirubin levels in newborns, offering a convenient alternative to traditional testing methods. With 100% sensitivity, the app has shown promising results in monitoring neonatal jaundice and reducing the risk of brain damage.
Researchers at University of Washington developed IRIS, a smart ring that allows users to control smart devices by aiming the ring's small camera at the device and clicking a built-in button. The prototype Bluetooth ring controls devices up to two seconds faster than voice commands.
A new study by UT Health San Antonio found that a smartphone app can help patients with opioid use disorder reduce their days of opioid use and stay in treatment longer. The app combined contingency management behavioral therapy and recovery support from peers, reducing opioid use by 35% compared to medication only.
A study by the University of the Basque Country found that 11- to 12-year-olds primarily use their smartphones to communicate with family and friends, rather than engaging with social media. While they do use social media, it is mainly for watching videos on YouTube and other platforms.