Results 81 to 90 of about 518,023 (298)

Penggunaan Multimedia Smartphone untuk Meningkatkan Hasil Belajar Geografi Kelas XI IPS di SMA Laboratorium Unsyiah Banda Aceh [PDF]

open access: yes, 2017
Smartphone adalah sebuah perangkat elektronik yang memiliki multi fungsi dan dapat dimanfaatkan dalam pembelajaran sebagai multimedia. Penelitian ini bertujuan untuk mengetahui (1) peningkatan hasil belajar geografi siswa; (2) bagaimanakah aktivitas ...
Abdi, A. W. (Abdul)   +2 more
core  

Dynamics of a yoyo using a smartphone gyroscope sensor

open access: yes, 2019
The dynamics of a traditional toy, the yoyo, is investigated theoretically and experimentally using smartphone' sensors. In particular, using the gyroscope the angular velocity is measured.
Marti, Arturo C.   +3 more
core   +1 more source

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

PENGARUH DURASI PENGGUNAAN SMARTPHONE TERHADAP KELUHAN NYERI KEPALA PADA MAHASISWA FK UMM ANGKATAN 2020 [PDF]

open access: yes
Background: Smartphones become an inseparable part of life. Massive smartphone use since the Covid-19 pandemic era, where all activities have been transferred to an online system, including learning among medical students.
Sari, Dyah Wahyu Oktania
core  

Recent Advances in Electrospun Nanofibers for Triboelectric Nanogenerators: Performance Enhancement Strategies and Emerging Applications

open access: yesAdvanced Materials, EarlyView.
This review highlights recent advances in electrospun nanofiber‐based triboelectric nanogenerators, emphasizing how material design, fiber architecture, and interface engineering collectively enhance output performance and mechanical durability. Key developments in porous, aligned, core‐shell, and hierarchical nanofibers are discussed alongside ...
MD Fajla Rabbi   +3 more
wiley   +1 more source

PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS MOBILE LEARNING PADA SMARTPHONE DENGAN PLATFORM ANDROID SEBAGAI SUMBER BELAJAR UNTUK MENINGKATKAN MOTIVASI DAN HASIL BELAJAR SISWA PADA MATERI LISTRIK [PDF]

open access: yes, 2015
Penelitian ini merupakan pengembangan produk media pembelajaran fisika berbasis komputer sebagai sumber belajar untuk meningkatkan motivasi dan hasil belajar untuk siswa SMA kelas X materi listrik.
Irawan, Pria
core  

A Self‐Healing Magnetoelectric Sensor with Pain Sensing for Underwater Soft Electronics

open access: yesAdvanced Materials, EarlyView.
This study introduces a self‐healing magnetoelectric sensory system designed for amphibious soft electronics. By utilizing liquid‐metal conductors and self‐healing elastomers, the system enables autonomous recovery from mechanical damage. Its multilayered architecture features dual self‐powered proximity and tactile sensing alongside pain sensing in ...
Xuan Zhang   +6 more
wiley   +1 more source

The Effects of High Exposure to Smartphone from ages 3 to 5 years on Children's behaviors

open access: yesEuropean Psychiatry, 2017
IntroductionSmartphones are becoming widely popular and the number of users is significantly increasing, reaching over 65% in South Korea in 2013 and the children begin to use a smartphone at earlier age. Earlier and higher exposure of multimedia is known to have negative effects on children's physical and mental status.ObjectivesThe aim of the present
S.J. Kim, S.M. Cho, K.Y. Lim
openaire   +2 more sources

PinMe: Tracking a Smartphone User around the World

open access: yes, 2017
With the pervasive use of smartphones that sense, collect, and process valuable information about the environment, ensuring location privacy has become one of the most important concerns in the modern age.
Dai, Xiaoliang   +3 more
core   +1 more source

Highly‐Emissive Organic Photovoltaics Approaching Theoretical Limit Voltage and Enabling Multifunctional Energy‐Harvesting Displays

open access: yesAdvanced Materials, EarlyView.
A highly‐emissive organic photovoltaic employs donor–acceptor pairs with alternately localized frontier molecular orbitals, preserving high triplet energies and small reorganization energies to suppress non‐radiative recombination. As a result, it exhibits a high open‐circuit voltage approaching the Shockley–Queisser limit and a high ...
Qing‐Jun Shui   +7 more
wiley   +1 more source

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