Articles tagged with Smartphones
The LudusScope, a 3D printed smartphone microscope, enables kids to play games and make serious observations with miniature light-seeking microbes called Euglena. The device allows students to build their own instrument and collect data on Euglena behavior, swimming speed, and natural biological variability.
A new study found that a user-centric control interface significantly improves performance of drone pilots, resolving some of the user control issues undermining drone safety. The findings suggest that current remote control methods can lead to hazards and accidents.
Researchers at Penn State and EPFL developed an AI model to recognize specific plant diseases from images, achieving an accuracy rate of 99.35% in a public dataset. The technology has great potential for supplementing existing disease diagnosis methods and could be implemented on smartphones, especially in developing countries.
A University at Buffalo study reveals smartphones can steal sensitive data from 3D printers by measuring electromagnetic energy and acoustic waves. Researchers replicated printing objects with a high accuracy rate using smartphone sensors, highlighting the security risks of 3D printing industries.
A mass participation study involving over 9000 UK participants found a correlation between sunny days, rainfall, and pain levels. The study suggests that understanding how weather influences pain could lead to new treatments.
Researchers developed HemaApp to estimate hemoglobin concentrations and screen for anemia, with a 69-82% correlation to CBC tests. The mobile app uses a smartphone camera and external light sources to analyze finger colors and detect blood components.
A recent study found that MirrorLink, a system allowing vehicles to communicate with smartphones, has significant security vulnerabilities. Hackers can exploit these weaknesses to control safety-critical vehicle components, posing a risk to driver safety and security.
A study by Heather Shaw found that Android users are perceived as more honest and humble, but this was not reflected in reality. In contrast, women are twice as likely to own an iPhone, while iPhone users prioritize high-status phones.
A new low-cost application has been developed to detect atrial fibrillation using a smartphone's accelerometer and gyroscope. The algorithm achieved sensitivity and specificity rates of over 95%, making it a promising tool for widespread screening and early detection.
A study of over 28,000 people reveals that individuals consistently follow a hedonic flexibility principle, engaging in mood-increasing activities when feeling bad and useful activities when feeling good. This finding clarifies how emotions shape behavior and explains the trade-offs humans make for long-term happiness.
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.
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.
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 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.