Articles tagged with Smartphones
Researchers at University of Washington have introduced a new way to communicate that allows devices like brain implants, contact lenses, and credit cards to talk to everyday devices. The new technique, called interscatter communication, works by converting Bluetooth signals into Wi-Fi transmissions over the air.
Researchers at Purdue University have developed a new technique called RetroScope, which can recover multiple previous screens of an Android app from the phone's memory image. The technique uses the device's graphical rendering code to obtain and bring up several previous screens shown by an app.
Researchers at the University of Basel found that brief smartphone exercises can improve mood. Participants felt more alert, calm, and uplifted after using short video tutorials on their smartphones as a guide.
Researchers from Oxford University used computer simulations to demonstrate how chaotic bacterial swarming can be organized to power microscopic rotors and devices. The study found that densely packed bacteria can spontaneously assemble into a 'bacterial windfarm' capable of generating persistent mechanical power.
A field study suggests a personalized privacy assistant app can simplify managing smartphone app permissions, with users adopting almost 80% of recommended settings. The app learns user preferences and provides quick recommendations, improving comfort with privacy settings.
Researchers at The Australian National University have improved the performance of tiny lasers by adding impurities, increasing light emission efficiency. The discovery could lead to development of low-cost biomedical sensors, quantum computing, and a faster internet.
MIT researchers have developed low-cost chemical sensors that enable smartphones to detect trace amounts of toxic gases. The sensors, made from chemically altered carbon nanotubes, can be worn by soldiers on the battlefield or people working with hazardous chemicals to rapidly detect the presence of chemical weapons.
Computer scientists at Duke University have developed software that allows users to specify what others can see on camera, preventing inadvertent disclosure of sensitive information. The researchers presented a system that enables users to select the part of a scene they want to share, either by hand or with a few clicks.
Researchers found a unique 'texting rhythm' in approximately 1 in 5 patients using smartphones while having their brain waves monitored. The study suggests that texting can change brain waves and may have significant implications for brain-computer interfacing, gaming, and driving.
FeverPhone is a smartphone-based diagnostic system that can diagnose six febrile diseases in the field using a drop of blood, providing rapid and accurate diagnoses. The system has the potential to improve healthcare outcomes in resource-limited countries by enabling timely treatment and reducing morbidity and mortality.
Professor Susan Landau argues the FBI's approach is outdated and needs investment in '21st century investigative savvy' to secure smartphones. The agency must invest in building up its technical understanding to conduct modern cyber investigations.
Research from University of Kent suggests smartphone addiction causes people to view phubbing as normal behavior, due to experiencing or being ignored in social situations. Factors such as internet addiction, FOMO, and lack of self-control also contribute to this phenomenon.
A new smartphone app aims to improve patient access to medical innovations through clinical trials. The app, developed by University at Buffalo researcher Peter Elkin, allows patients to quickly search for and enroll in local clinical trials, reducing barriers to life-saving treatments.
Researchers have developed a software called ForcePhone that allows smartphones to detect force or pressure on their screens or bodies, enabling users to command devices with gestures. The technology uses the phone's microphone and speaker to translate vibrations into commands, offering a natural interface beyond basic touch interfaces.
The MyShake app, released in Japanese, collects ground-shaking information from smartphones to analyze quakes and relay data to the Berkeley Seismological Laboratory. The system has recorded earthquakes worldwide, including induced earthquakes, and plans to provide life-saving early warnings.
A team of chemists from the Complutense University of Madrid has developed a simple and low-cost method to measure beer freshness using a polymer sensor and a smartphone app. The results show that the new system is comparable to more sophisticated methods, such as gas chromatography coupled with mass spectrometry.
The 'Catch It' app uses CBT principles to help users understand their moods through a diary. Users report statistically significant reductions in negative mood intensity and increases in positive mood intensity.
A survey of 1,163 people found that phone use varies depending on activity and who is at the table. Adults generally think it's more acceptable to use a phone than children, but perceived appropriateness declines with age.
A study of college students found that constant smartphone alerts can cause symptoms of inattention and hyperactivity, similar to those experienced by individuals with ADHD. By minimizing phone notifications, participants reduced these symptoms, suggesting a link between digital stimulation and attention deficits in modern society.
A University at Buffalo study found that a smartphone app for monitoring heart palpitations provides comparable performance to traditional 14-day event monitors. The AliveCor app was found to be significantly easier to use and more acceptable to patients, with 94% compliance rate compared to 58% for the event monitor.
Researchers at the University of Exeter have developed an Android mobile app that harnesses the capabilities of modern smartphones to generate spatial data for mapping landscapes. The app uses on-board sensors in smartphones, including GPS, compass, and camera, along with lightweight drones or kites, to capture high-quality images.
A recent study investigated consumer attitudes towards brain-training apps, finding that over two-thirds reported improved thinking, memory, and attention. However, cost was the primary barrier to their use, highlighting a need for evidence-based apps. Strong positive expectations about app effectiveness may also drive user behavior.
Only 14 mental health apps were examined in a recent literature review, with little efficacy, safety or clinical outcome data found. A framework, ASPECTS, has been proposed to guide psychiatrists and patients in evaluating apps for clinical use.
A new research program aims to improve patients' quality of life by monitoring major depressive disorder, epilepsy, and multiple sclerosis using wearable devices and smartphone technology. The RADAR-CNS programme may allow treatment to begin before a patient's health deteriorates, preventing relapses.
A study by Aparna Sundar of the University of Oregon found that consumers are less likely to accept sensory mismatches from sincere brands, but can tolerate them from exciting brands. The research suggests that marketers should consider how sensory innovation aids their brand narrative.
A new smartphone application allows users to control a magnified screen projected onto Google Glass using head movements, improving navigation and orientation. The technology has shown a 28% reduction in trial time compared to conventional manual scrolling.
A Tel Aviv University study found that smartphone technology has led to diminished overall privacy, as individuals voluntarily share personal data and location information. The researchers developed an Android application to collect data and discovered a correlation between the type of space and willingness to share information.
Research suggests that relying on smartphones for internet access while traveling can cause significant anxiety. The study, conducted by Hui-Jen Yang and Yun-Long Lay, found that young people and those with higher levels of education experience greater 'smart phone web-dependence' and associated anxiety.
The KuLA application enables users to study hentaigana and cursive-style kanji using images from Japanese historical books. Researchers can utilize these resources more effectively, bridging the knowledge gap in pre-modern materials between Japan and international studies.
A recent case report found that a patient's activity tracker and smartphone helped identify the onset time of his atrial fibrillation, allowing for timely electrical cardioversion. The device provided critical information to medical providers, enabling more effective treatment decisions.
Engineers at the University of Missouri have developed a method to transfer energy sources to virtually any shape using an efficient laser-writing technique. This technique enables the fabrication of microbatteries and micro fuel cells that are more environmentally friendly, highly designable, and thin.
A study by psychologists Henry Wilmer and Jason Chein found that people who constantly check their phones exhibit poor impulse control and a tendency to devalue delayed rewards. This suggests that frequent smartphone use is associated with impatience and impulsivity.
Researchers at the University of Washington have developed a sonar technology called FingerIO that allows users to interact with mobile devices by writing or gesturing on any nearby surface. The device uses sound waves to track fine-grained finger movements, achieving accuracy of up to 8mm.
Researchers at the University of Texas Health Science Center at Houston found that smartphones can detect 90% of non-melanoma skin cancers and 60% of melanomas, improving diagnosis in remote areas. A DIY smartphone microscope can be made with a ball lens and tape, and additional studies are needed to enhance detection rates.
A study found that widely used smartphone conversational agents fail to recognize and respond appropriately to sensitive topics like rape, depression, and physical abuse. The authors recommend improving the performance of conversational agents to better support users in need.
A recent study by Appthority reveals that over 88% of Android apps secretly spy on user data. Researchers from Saarland University developed an app called TaintArtist to track and monitor suspicious app behavior, providing users with a sense of security.
A Rutgers study found that free-form gesture passwords are easier to use and remember than traditional text passwords, keeping devices more secure. Participants spent 22% less time logging in and 42% less time creating passwords with gesture passwords.
Researchers at ETH Zurich have developed new augmented creativity apps that combine virtual elements with real-life environments, enhancing children's creativity and social skills. The interactive colouring book and collaborative games in 3D showcase the potential of augmented reality to transform public spaces into engaging experiences.
Researchers at Pohang University of Science & Technology developed a miniaturized solid oxide fuel cell that can power drones for more than an hour. The fuel cell's high power density and durability make it suitable for portable electronic devices, including smartphones and laptops.
A study found that an instant blood pressure app underestimated higher BPs and overestimated lower BPs, raising concerns about its accuracy. The app's inaccuracy may lead to false reassurance for individuals with hypertensive BP levels.
A study of 85 volunteers found that a widely used smartphone app misleads users about their blood pressure. The app gave accurate readings to only 20% of participants with high blood pressure.
UCI researchers demonstrate that machine sounds can carry information about precise movements of a printer's nozzle, enabling the reverse engineering of objects being printed. This new kind of cyberattack presents significant security risks for companies, particularly during prototyping phases.
Researchers at Sun Yan-Sen University developed a new display with comfortable 3D visual effects using the super multi-view technique, reducing vergence-accommodation conflict and viewer discomfort. The device is thin, around 65 millimeters, making it suitable for portable devices.
A Georgia Tech study found that mobile ads can reveal sensitive user information, including gender, parental status, and income, due to leakage between ad networks and app developers. Researchers tested 200 participants and discovered that 73% of ad impressions were correctly aligned with demographic profiles.
Researchers achieved Wi-Fi transmissions using 10,000 times less power than conventional methods, consuming only tens of microwatts of power. This breakthrough enables the 'Internet of Things' reality where household devices and wearable sensors can communicate using Wi-Fi without worrying about power.
A new detection system for Android could protect smartphones from malicious content, finding that even reputable apps can lead users to websites hosting malicious ads. The team tested one million apps and found that ads asking users to download a program are the most dangerous, containing malicious software about 50% of the time.
Research found that riders in crowded subway trains are about twice as likely to respond to mobile ads by making a purchase. The study examined responses to mobile ads of riders who took the subway in a large city and found that purchase rates increased significantly when there were more people per square meter.
Researchers at Queen's University developed ReFlex, the world's first full-color wireless flexible smartphone, combining multitouch with haptic bend input. Users can experience tactile feedback and physical sensations while interacting with apps through bend gestures.
The MyShake Android app uses smartphone accelerometers to detect earthquakes, analyzing data from millions of phones to create a dense seismic network. The goal is to provide early warning systems for areas without traditional networks.
A smartphone app developed by Cambridge researchers maps Swiss-German dialects through crowdsourcing, gathering data on dialect spread and changes over time. The app has been downloaded over 90,000 times and reveals that younger generations are adopting more geographically widespread variants of the language.
Smartphone sensors can measure various physical quantities such as ultraviolet index, heart rate, respiratory rate, blood oxygen saturation, and air quality. A smart home system has been developed using mobile phones to detect CO2, temperature, humidity, and other parameters.
A smartphone app containing motivational videos transformed the interaction between married rural women and community health workers in India, leading to a significant increase in modern family planning method use. The study found that women who watched videos were 4.5 times more likely to use modern contraceptives than those who did not.
A pilot study found that using smartphone reminders can significantly decrease daily sedentary time and increase active time. Participants who received prompts had an average of 25 minutes less of sedentary time per day compared to those without reminders.
A research team developed an app that hides user location from third parties, providing security for individuals who share personal info online. The app, yet to be released, uses privacy-preserving technology to protect users' location information from being accessed by services like Facebook and Twitter.
Researchers at Northwestern University have developed a way to train smartphone activity trackers to spot fake activity, increasing accuracy from 38% to 84%. The system learns to recognize patterns of cheating, such as shaking the phone while lounging on the couch, and can generalize it across individuals.
Researchers at Brown University have developed an algorithm that allows off-the-shelf cameras to capture high-quality 3D images without synchronized projector and camera hardware. The technique uses a structured light flash and can assemble images pixel by pixel to create accurate 3D models.
A new study published in EPJ Data Science found that exercising and spending time outside the home reduces participants' stress levels, while reduced working hours have a minimal effect. The research used data from the StudentLife project at Dartmouth College to validate this approach, which has great promise for future studies.
Two-year-olds demonstrate impressive touch-screen skills, able to swipe, unlock, and search for features. Researchers suggest this technology may aid in childhood development assessment and early intervention.
Researchers from the University of Cambridge developed a new smartphone-based system called SegNet, which can identify objects in road scenes in real-time, even without GPS. The system has been successfully tested on city roads and motorways, and could potentially be used as a warning system for driverless cars.
Researchers have developed a rolling DNA-based motor that's 1,000 times faster than any other synthetic DNA motor, offering potential for real-world applications in disease diagnostics. The new motor uses a burnt-bridge mechanism to guide its movement, allowing it to travel one centimeter in seven days.