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57 Results Found

  • Article
  • Open Access
1 Citations
3,780 Views
18 Pages

4 September 2023

Introducing computational thinking at elementary school can develop students’ capabilities and interest in Computing skills. In this study, we introduced the Computer Science unplugged (CS-unplugged) technique in Pakistan. We use paper-based ac...

  • Article
  • Open Access
787 Views
14 Pages

Unplugged Activities in the Development of Computational Thinking with Poly-Universe

  • Aldemir Malveira de Oliveira,
  • Piedade Vaz-Rebelo and
  • Maria da Graça Bidarra

This paper presents an educational experience of using Poly-Universe, a game created by Janos Saxon, with the aim of developing computational thinking (CT) skills through unplugged activities. It was implemented in the course “Algorithm Analysi...

  • Review
  • Open Access
244 Views
19 Pages

29 December 2025

This review examines the implementation of computer science (CS) unplugged activities in K–12 education, focusing on their impact on educational outcomes, student motivation, and teacher perceptions. A total of 32 relevant studies published bet...

  • Article
  • Open Access
3 Citations
2,208 Views
16 Pages

24 January 2025

This study reports on a STEM camp that aimed to engage middle grade students in computational thinking dispositions. Case study methodology and data from observational field notes and participant reflections were used to investigate if and how studen...

  • Article
  • Open Access
3 Citations
3,787 Views
19 Pages

“Intervention Program Based on Self”: A Proposal for Improving the Addiction Prevention Program “Unplugged” through Self-Concept

  • Cédrine Bourduge,
  • Georges Brousse,
  • Florence Morel,
  • Bruno Pereira,
  • Céline Lambert,
  • Marie Izaute and
  • Frédérique Teissedre

The “Intervention Program based on Self” (IPSELF) project was created to address the gap between the acquisition of life skills during prevention programs and their application with a session for developing one’s self-concept includ...

  • Article
  • Open Access
5 Citations
2,808 Views
17 Pages

10 January 2023

The changing economic environment in Taiwan has led to an increase in the structure of double-income families. To compensate for the lack of time to take care of their children and the regret of their learning process, parents will send their childre...

  • Article
  • Open Access
23 Citations
7,289 Views
11 Pages

Unplugged Activities in Cross-Curricular Teaching: Effect on Sixth Graders’ Computational Thinking and Learning Outcomes

  • José Miguel Merino-Armero,
  • José Antonio González-Calero,
  • Ramón Cózar-Gutiérrez and
  • Javier del Olmo-Muñoz

There is a debate about the way to introduce computational thinking (CT) in schools. Different proposals are on the table; these include the creation of new computational areas for developing CT, the introduction of CT in STEM areas, and the cross-cu...

  • Article
  • Open Access
25 Citations
5,978 Views
29 Pages

Combined Unplugged and Educational Robotics Training to Promote Computational Thinking and Cognitive Abilities in Preschoolers

  • Chiara Montuori,
  • Gabriele Pozzan,
  • Costanza Padova,
  • Lucia Ronconi,
  • Tullio Vardanega and
  • Barbara Arfé

23 August 2023

Computational thinking (CT) learning activities are increasingly integrated in early-stage school curricula in several countries. Tools used to teach CT in early school years include unplugged coding—i.e., programming without computing devices&...

  • Article
  • Open Access
2 Citations
3,314 Views
21 Pages

26 February 2025

This study examined the effectiveness of video self-modeling in teaching unplugged coding skills to children with autism spectrum disorder (ASD). The participants included one female and three male children with ASD, ages 10 to 12, in a multiple-prob...

  • Article
  • Open Access
1,221 Views
20 Pages

Combining CS Unplugged and L2T2L to Bridge the Computing Illiteracy Gap of the Elderly Population: A Case Study

  • José Alfredo Díaz-León,
  • Olatz Arbelaitz,
  • Mikel Larrañaga and
  • Ana Arruarte

17 January 2025

In the era where digital technologies are becoming increasingly prevalent, it is anticipated that a majority of the global population will have at least a basic understanding of informatics. However, empirical evidence suggests that a significant por...

  • Article
  • Open Access
5 Citations
3,598 Views
12 Pages

Effectiveness of Problem-Based Learning in the Unplugged Computational Thinking of University Students

  • Natalia Moreno-Palma,
  • Francisco-Javier Hinojo-Lucena,
  • José-María Romero-Rodríguez and
  • María-Pilar Cáceres-Reche

Computational thinking is recognized as a critical competency in contemporary education, preparing individuals to tackle complex challenges in a digitally pervasive world. In this quasi-experimental design study with pretest and post-test measures, t...

  • Perspective
  • Open Access
12 Citations
6,458 Views
7 Pages

8 November 2022

In our increasingly technology-dependent society, the importance of promoting digital literacy (e.g., computational thinking, coding, and programming) has become a critical focus in the field of childhood education. While young children these days ar...

  • Article
  • Open Access
3,813 Views
23 Pages

Unplugged Activities for Teaching Decision Trees to Secondary Students—A Case Study Analysis Using the SOLO Taxonomy

  • Konstantinos Karapanos,
  • Vassilis Komis,
  • Georgios Fesakis,
  • Konstantinos Lavidas,
  • Stavroula Prantsoudi and
  • Stamatios Papadakis

5 September 2025

The integration of Artificial Intelligence (AI) technologies in students’ lives necessitates the systematic incorporation of foundational AI literacy into educational curricula. Students are challenged to develop conceptual understanding of com...

  • Review
  • Open Access
3,158 Views
24 Pages

Prevention of Alcohol, Tobacco, and Illicit Drug Use Among Youth: A Scoping Review of European School-Based Programs with Insights on Mental Health

  • Ahmed Abdelrahman,
  • Luz Bernad,
  • Fiona Harris,
  • Elodie Rezzonico,
  • Antoine Flahault and
  • Jennifer Hasselgard-Rowe

Alcohol, tobacco, and drug misuse continue to rise globally, with adolescents at particular risk. In response, school-based prevention programs have been widely implemented, yet their efficacy and long-term impact remain under-discussed. This scoping...

  • Article
  • Open Access
781 Views
26 Pages

Direct current fast charging is a necessary element of the transition to electric vehicles (EVs). Regulatory complexity, capital requirements, and challenging business models hinder charging infrastructure deployment, so focusing on the efficient use...

  • Article
  • Open Access
880 Views
22 Pages

Computational Play in Early Childhood: Integrating Analog and Digital Tools to Support Mathematical Learning and Computational Thinking

  • Eva Brooks,
  • Camilla Finsterbach Kaup,
  • Susanne Dau,
  • Emma Edstrand,
  • Francesca Granone and
  • Elin Kirsti Lie Reikerås

27 November 2025

Although play naturally embeds computational thinking (CT) and mathematical learning in early childhood education, designing developmentally appropriate learning activities that purposefully nurture and extend these competencies remains a challenge....

  • Article
  • Open Access
3 Citations
5,635 Views
25 Pages

27 April 2023

The COVID-19 outbreak revealed the fragility not only of our species but also of society, which has demonstrated its ability to adapt to challenging conditions and to learn from disasters. One of the most pressing issues during the pandemic was the d...

  • Review
  • Open Access
5 Citations
5,942 Views
48 Pages

E-Waste Unplugged: Reviewing Impacts, Valorization Strategies and Regulatory Frontiers for Efficient E-Waste Management

  • Abhishek N. Srivastava,
  • Vineet Singh Sikarwar,
  • Divya Bisen,
  • Jafar Fathi,
  • Alan Maslani,
  • Brenda Natalia Lopez Nino,
  • Praveen Barmavatu,
  • Ajay Kumar Kaviti,
  • Michael Pohořelý and
  • Maksym Buryi

25 June 2025

Augmented consumerism has propelled electronic innovation, leading to unprecedented growth in e-waste. Mishandling of e-waste poses environmental and human health hazards that necessitate a review of existing technologies and regulatory frameworks fo...

  • Review
  • Open Access
4 Citations
4,094 Views
12 Pages

This brief narrative review assesses how digital technologies—such as wearables, mobile health apps, and various digital tools such as computers, game consoles, tablets, smartphones, and extended reality systems—can influence sedentary an...

  • Systematic Review
  • Open Access
5 Citations
6,818 Views
47 Pages

16 November 2022

In school-based addiction prevention, life skills programs (LSPs) have been established since the 1990s. The scientific evidence regarding program effectiveness is in parts unclear. This review links life skills not to behavioral outcomes but to thre...

  • Article
  • Open Access
721 Views
40 Pages

Topology and Algebra of Bonded Knots and Braids

  • Ioannis Diamantis,
  • Louis H. Kauffman and
  • Sofia Lambropoulou

11 October 2025

In this paper we present a detailed study of bonded knots and their related structures, integrating recent developments into a single framework. Bonded knots are classical knots endowed with embedded bonding arcs modeling physical or chemical bonds....

  • Feature Paper
  • Article
  • Open Access
12 Citations
6,255 Views
31 Pages

5 March 2022

Preliminary identification of plugging of open-ended pipe piles based on their dimensions, ahead of driving, is explored in this study using data analytics. Piles can be unplugged, plugged, or internally plugged, depending on their dimensions, and ge...

  • Article
  • Open Access
6 Citations
2,238 Views
21 Pages

Preparation and Degradation Performance Study of P(AM/GG/PEGDA) Nanocomposite Self-Degradation Gel Plugging Material

  • Dan Bao,
  • Siyuan Liu,
  • Xianli Zhang,
  • Feng Li,
  • Jiaqin Wang,
  • Huan Jia,
  • Shanghao Liu and
  • Peng Zhang

9 September 2023

Lost circulation is a world-class problem, and the contradiction between plugging and unplugging in reservoirs is a problem that needs to be solved urgently. The traditional LCM is not suitable for reservoirs and the complex subsequent operations. Cu...

  • Article
  • Open Access
4 Citations
2,243 Views
15 Pages

Experimental Study on Performance Evaluation of Controlled Plasma Pulse Plugging Removal Technology

  • Leilei Huang,
  • Baolin Liu,
  • Lixin Li,
  • Haoxian Shi,
  • Qilong Xue,
  • Fengyan Zhang,
  • Yuanyuan Zhang and
  • Bo Jin

8 October 2023

In the production process of oil and gas wells, the migration of solid particles, such as mud and sand, often leads to screen pipe clogging, resulting in production reduction or even shutdown. Controlled plasma pulse plugging removal technology is a...

  • Article
  • Open Access
8 Citations
2,907 Views
13 Pages

Invariants of Bonded Knotoids and Applications to Protein Folding

  • Neslihan Gügümcü,
  • Bostjan Gabrovsek and
  • Louis H. Kauffman

18 August 2022

In this paper, we study knotoids with extra graphical structure (bonded knotoids) in the settings of rigid vertex and topological vertex graphs. We construct bonded knotoid invariants by applying tangle insertion and unplugging at bonding sites of a...

  • Article
  • Open Access
6 Citations
3,065 Views
23 Pages

Image Servo Tracking of a Flexible Manipulator Prototype with Connected Continuum Kinematic Modules

  • Ming-Hong Hsu,
  • Phuc Thanh-Thien Nguyen,
  • Dai-Dong Nguyen and
  • Chung-Hsien Kuo

2 December 2022

This paper presents the design and implementation of a flexible manipulator formed of connected continuum kinematic modules (CKMs) to ease the fabrication of a continuum robot with multiple degrees of freedom. The CKM consists of five sequentially ar...

  • Article
  • Open Access
32 Citations
8,974 Views
31 Pages

4 January 2023

This study integrated the augmented reality (AR) technology into the “Coding Ocean” board game to provide players with real-time simulation of ship paths and learning scaffolds. Combined with Scratch block-based programming, an interactiv...

  • Article
  • Open Access
10 Citations
19,386 Views
21 Pages

Unplugging Youth: Mobile Phone Addiction, Social Impact, and the Call for Digital Detox

  • Asimenia Salepaki,
  • Anna Zerva,
  • Dimitris Kourkouridis and
  • Ioannis Angelou

This study investigates the impact of excessive mobile phone use on young individuals aged 14–35 in Kastoria, Greece. It explores how smartphone addiction affects daily life and social interactions. A survey with 30 closed-ended questions was c...

  • Article
  • Open Access
8 Citations
2,958 Views
15 Pages

Damage Effect of Thermal Shock on the Heated Granite at Different Cooling Rates

  • Xiang Li,
  • Xiaodong Fan,
  • Ming Tao,
  • Tubing Yin and
  • Si Huang

27 February 2023

This study investigates the affecting pattern of cooling rates on the physical and mechanical properties of granite at high temperature. The different cooling rates are realized by cooling the heated granite specimens in the air at room temperature,...

  • Article
  • Open Access
19 Citations
10,049 Views
16 Pages

Exploring Gamification Approaches for Enhancing Computational Thinking in Young Learners

  • Javier del Olmo-Muñoz,
  • Andrea Bueno-Baquero,
  • Ramón Cózar-Gutiérrez and
  • José Antonio González-Calero

The integration of computational thinking (CT) in mathematics education is increasingly important due to its intersections with mathematical thinking and its role in the 21st century. Recent years have seen a growing interest in the use of innovative...

  • Article
  • Open Access
22 Citations
7,229 Views
22 Pages

Manipulation of deformable objects is a desired skill in making robots ubiquitous in manufacturing, service, healthcare, and security. Common deformable objects (e.g., wires, clothes, bed sheets, etc.) are significantly more difficult to model than r...

  • Article
  • Open Access
12 Citations
3,854 Views
17 Pages

20 August 2021

The Organization for Economic Co-operation and Development (OECD) estimates that the environmental pressure from households will increase significantly by 2030. Sustainable consumption means making consumers aware of the social and environmental impa...

  • Article
  • Open Access
10 Citations
5,303 Views
15 Pages

Environmental Education to Change the Consumption Model and Curb Climate Change

  • Leticia-Concepción Velasco-Martínez,
  • Juan-Jesús Martín-Jaime,
  • Ligia-Isabel Estrada-Vidal and
  • Juan-Carlos Tójar-Hurtado

11 September 2020

Environmental education plays a fundamental role in the fight against climate change and the transformation towards a more sustainable and environmentally friendly socio-economic model. This study shows how to evaluate the effectiveness of a program...

  • Article
  • Open Access
1 Citations
6,835 Views
23 Pages

11 July 2025

This article examines Daoist ritual and meditative practices, primarily developed between the fourth and twelft centuries, as cosmotechniques: methods for engaging, recalibrating, and occasionally overturning the spatial and temporal order. It first...

  • Article
  • Open Access
40 Citations
9,399 Views
18 Pages

I-AUV Docking and Panel Intervention at Sea

  • Narcís Palomeras,
  • Antonio Peñalver,
  • Miquel Massot-Campos,
  • Pep Lluís Negre,
  • José Javier Fernández,
  • Pere Ridao,
  • Pedro J. Sanz and
  • Gabriel Oliver-Codina

12 October 2016

The use of commercially available autonomous underwater vehicles (AUVs) has increased during the last fifteen years. While they are mainly used for routine survey missions, there is a set of applications that nowadays can be only addressed by manned...

  • Systematic Review
  • Open Access
41 Citations
11,141 Views
16 Pages

Computational Thinking and Educational Technology: A Scoping Review of the Literature

  • Jesús Acevedo-Borrega,
  • Jesús Valverde-Berrocoso and
  • María del Carmen Garrido-Arroyo

8 January 2022

Interest in computational thinking (CT) in the scientific community has increased significantly in the last 4 years, as evidenced by the numerous systematic reviews carried out. However, there is a lack of reviews that update the emerging conceptuali...

  • Article
  • Open Access
855 Views
14 Pages

27 June 2025

In the realm of click-type reactions and their application to bioorthogonal chemistry in living organisms, metal-free [3+2] cycloadditions involving mesoionic rings and strained cycloalkynes have gained increasing attention and potentiality in recent...

  • Article
  • Open Access
267 Views
21 Pages

22 December 2025

Wireless charging for drones is significant for solving problems such as the frequent manual plugging and unplugging of cables. A large number of densely packed transmitting coils and fully independent on-off control can precisely track the receiver...

  • Review
  • Open Access
10 Citations
8,656 Views
19 Pages

Methods of Sputum and Mucus Assessment for Muco-Obstructive Lung Diseases in 2022: Time to “Unplug” from Our Daily Routine!

  • Jeremy Charriot,
  • Mathilde Volpato,
  • Aurélie Petit,
  • Isabelle Vachier and
  • Arnaud Bourdin

25 February 2022

Obstructive lung diseases, such as chronic obstructive pulmonary disease, asthma, or non-cystic fibrosis bronchiectasis, share some major pathophysiological features: small airway involvement, dysregulation of adaptive and innate pulmonary immune hom...

  • Article
  • Open Access
104 Views
21 Pages

This study aims to investigate the tip resistance mechanism of open-ended steel pipe piles under partially plugged conditions by decomposing the load-sharing contribution of the ring zone and the internal soil core. A virtual static loading test was...

  • Article
  • Open Access
8 Citations
4,273 Views
20 Pages

Human exploration of the ocean is inseparable from reliable ocean observation equipment. Wireless power transmission technology can supply power to the receiving end in a non-contact manner, saving complicated cable plugging and unplugging. Due to th...

  • Article
  • Open Access
73 Citations
11,771 Views
9 Pages

Glucan Particle Encapsulated Rifampicin for Targeted Delivery to Macrophages

  • Ernesto Soto,
  • Yun Seong Kim,
  • Jinhee Lee,
  • Hardy Kornfeld and
  • Gary Ostroff

6 December 2010

Glucan particles (GPs) are 2–4 mm spherical, hollow, porous shells extracted from Baker’s yeast, Saccharomyces cerevisae. The surface of the GPs is composed primarily of 1,3-b-glucan and the particles are efficiently phagocytosed via receptor-mediate...

  • Communication
  • Open Access
1,015 Views
16 Pages

Incubation of Horseradish Peroxidase near 50 Hz AC Equipment Promotes Its Disaggregation and Enzymatic Activity

  • Yuri D. Ivanov,
  • Ivan D. Shumov,
  • Andrey F. Kozlov,
  • Alexander N. Ableev,
  • Angelina V. Vinogradova,
  • Ekaterina D. Nevedrova,
  • Oleg N. Afonin,
  • Dmitry D. Zhdanov,
  • Vadim Y. Tatur and
  • Vadim S. Ziborov
  • + 5 authors

19 March 2025

Low-frequency electromagnetic fields, induced by alternating current (AC)-based equipment such as transformers, are known to influence the physicochemical properties and function of enzymes, including their catalytic activity. Herein, we have investi...

  • Article
  • Open Access
5 Citations
5,632 Views
10 Pages

Audiological Performance of ADHEAR Systems in Simulated Conductive Hearing Loss: A Case Series with a Review of the Existing Literature

  • Enrico Muzzi,
  • Valeria Gambacorta,
  • Ruggero Lapenna,
  • Giulia Pizzamiglio,
  • Sara Ghiselli,
  • Igor Caregnato,
  • Raffaella Marchi,
  • Giampietro Ricci and
  • Eva Orzan

13 October 2021

A new non-invasive adhesive bone conduction hearing device (ABCD) has been proposed as an alternative solution for reversible bilateral conductive hearing loss in recurrent or long-lasting forms of otitis media with effusion (OME) in children that ca...

  • Article
  • Open Access
3 Citations
5,429 Views
20 Pages

23 August 2018

The development of innovative tools for neuroscientific research is based on in vivo tests typically applied to small animals. Most often, the interfacing of neural probes relies on commercially available connector systems which are difficult to hand...

  • Article
  • Open Access
6 Citations
1,931 Views
25 Pages

19 December 2024

The application of wireless power transfer (WPT) technology in power replenishment for drones can help to solve problems such as the frequent manual plugging and unplugging of cables. A wireless power replenishment system for drones based on the tran...

  • Article
  • Open Access
3,392 Views
14 Pages

16 December 2024

Computational thinking (CT) can be developed in a multitude of ways. Well-known examples are plugged-in and unplugged applications that focus primarily on the (combined) usage of visual, textual, or tangible modalities. Less obvious are applications...

  • Article
  • Open Access
1 Citations
2,498 Views
15 Pages

Coding Readiness Assessment: A Measure of Computational Thinking for Preschoolers

  • Emily Relkin,
  • Christopher Doss,
  • Victoria L. Jones and
  • John F. Pane

25 December 2024

Coding and computational thinking (CT) are important skills to include in early childhood education. Measuring these vital skills in preschool-age children can be challenging. We modified the TechCheck-PreK assessment, an unplugged measure of CT for...

  • Article
  • Open Access
20 Citations
3,904 Views
19 Pages

Electric Vehicles Plug-In Duration Forecasting Using Machine Learning for Battery Optimization

  • Yukai Chen,
  • Khaled Sidahmed Sidahmed Alamin,
  • Daniele Jahier Pagliari,
  • Sara Vinco,
  • Enrico Macii and
  • Massimo Poncino

14 August 2020

The aging of rechargeable batteries, with its associated replacement costs, is one of the main issues limiting the diffusion of electric vehicles (EVs) as the future transportation infrastructure. An effective way to mitigate battery aging is to act...

  • Article
  • Open Access
59 Citations
10,590 Views
18 Pages

3D Laser Scanner for Underwater Manipulation

  • Albert Palomer,
  • Pere Ridao,
  • Dina Youakim,
  • David Ribas,
  • Josep Forest and
  • Yvan Petillot

4 April 2018

Nowadays, research in autonomous underwater manipulation has demonstrated simple applications like picking an object from the sea floor, turning a valve or plugging and unplugging a connector. These are fairly simple tasks compared with those already...

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