Skip to Content
You are currently on the new version of our website. Access the old version .

29 Results Found

  • Article
  • Open Access
8 Citations
4,200 Views
10 Pages

Modified Roller Coaster Surface in Space

  • Selçuk BAŞ and
  • Talat KÖRPINAR

19 February 2019

In this paper, a new modified roller coaster surface according to a modified orthogonal frame is investigated in Euclidean 3-space. In this method, a new modified roller coaster surface is modeled. Both the Gaussian curvature and mean curvature of ro...

  • Article
  • Open Access
1 Citations
2,829 Views
22 Pages

Josephson Junction Dynamics as a Ride on a Roller Coaster

  • Ciro Nappi,
  • Carlo Camerlingo and
  • Roberto Cristiano

16 January 2025

We discuss the dynamics of a roller coaster cart driven by a constant force along the suspended track of a winding roller coaster. The track is assumed to be arbitrarily long and specially shaped. It is composed of semicircular track portions, in the...

(This article belongs to the Section Physics Education)
  • Article
  • Open Access
1 Citations
1,520 Views
14 Pages

19 September 2025

Autonomous vehicles, submersible robotic systems and drones, and other human-carrying equipment consistently adhere to a safety perimeter, ensuring collision-free navigation amidst surrounding objects. In contrast, roller coaster vehicles, despite be...

(This article belongs to the Special Issue Micro/Nano Optical Devices and Sensing Technology)
  • Communication
  • Open Access
4 Citations
4,019 Views
12 Pages

Development of Multifunctional Detection Robot for Roller Coaster Track

  • Weike Song,
  • Zhao Zhao,
  • Kun Zhang,
  • Huajie Wang and
  • Yifeng Sun

10 October 2023

Recent advances in roller coasters accelerate the creation of complex tracks to provide stimulation and excitement for humans. As the main load-bearing component, tracks are prone to damage such as loose connecting bolts, paint peeling, corroded slee...

(This article belongs to the Section Sensors and Robotics)
  • Article
  • Open Access
5 Citations
4,297 Views
26 Pages

Unbeknownst to the public, most investment funds actually underperform the broader market. Yet, millions of individual investors fare even worse, barely treading water. Algorithmic trading now accounts for over 80% of all trades and is the domain of...

(This article belongs to the Section Mathematics and Finance)
  • Article
  • Open Access
7 Citations
6,772 Views
13 Pages

Bridging Ride and Play Comfort

  • Zeliang Zhang,
  • Kang Xiaohan,
  • Mohd Nor Akmal Khalid and
  • Hiroyuki Iida

10 March 2021

The notion of comfort with respect to rides, such as roller coasters, is typically addressed from the perspective of a physical ride, where the convenience of transportation is redefined to minimize risk and maximize thrill. As a popular form of ente...

(This article belongs to the Section Information Theory and Methodology)
  • Article
  • Open Access
1,931 Views
16 Pages

19 October 2023

In this paper, we have parameterized a timelike (Tlike) circular surface (CIsurface) and have obtained its geometric properties, including striction curves, singularities, Gaussian and mean curvatures. Afterward, the situation for a Tlike roller coas...

(This article belongs to the Special Issue Advances in Differential Geometry and Singularity Theory)
  • Article
  • Open Access
34 Citations
2,834 Views
13 Pages

Spacelike Circular Surfaces in Minkowski 3-Space

  • Yanlin Li,
  • Maryam T. Aldossary and
  • Rashad A. Abdel-Baky

6 January 2023

The approach of the paper is on spacelike circular surfaces in the Minkowski 3-space. A spacelike circular surface is a one-parameter family of Lorentzian circles with a fixed radius regarding a non-null curve, which acts as the spine curve, and it h...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
11 Citations
1,911 Views
14 Pages

Singularity Properties of Spacelike Circular Surfaces

  • Areej A. Almoneef and
  • Rashad A. Abdel-Baky

1 April 2023

The aim of the paper is on spacelike circular surfaces and singularities in Minkowski 3-space E13. A spacelike circular surface with a stationary radius can be swept out by movable a Lorentzian circle following a non-null curve, which acts as the spi...

  • Article
  • Open Access
35 Citations
3,215 Views
15 Pages

Timelike Circular Surfaces and Singularities in Minkowski 3-Space

  • Yanlin Li,
  • Fatemah Mofarreh and
  • Rashad A. Abdel-Baky

13 September 2022

The present paper is focused on time-like circular surfaces and singularities in Minkowski 3-space. The timelike circular surface with a constant radius could be swept out by moving a Lorentzian circle with its center while following a non-lightlike...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
3 Citations
2,577 Views
18 Pages

The topic of research ethics has attracted attention in Chinese higher education, especially with regard to the “crackdown” on plagiarism. Although higher education teachers have implemented various interventions intended to reduce such m...

(This article belongs to the Section Occupational Safety and Health)
  • Editorial
  • Open Access
4 Citations
1,790 Views
9 Pages

Angiotensin II (Ang II) is a hormone with much more complex actions than is typical for other agonists with heterotrimeric G protein-coupled receptors (GPCRs) [...]

(This article belongs to the Special Issue Renin-Angiotensin System in Cardiovascular Biology)
  • Case Report
  • Open Access
3,083 Views
6 Pages

Peripancreatic Head Paraganglioma Versus Neuroendocrine Tumor: A Roller Coaster Diagnostic Dilemma in Fine Needle Aspiration Cytology Requiring a Note That “A Definite Diagnosis Cannot Be Concluded”

  • Zahida Niaz,
  • Babikir Ismail,
  • Abdullah Yahya Al Farai,
  • Ramesh Babu Telugu and ,
  • Muhammad Sharjeel Usmani and
  • Ibrahim Hassan Al Haddabi
  • + 1 author+ 0 author

18 November 2024

Cytologic diagnosis of extra-adrenal paraganglioma presenting as a peripancreatic mass is challenging, with a high rate of diagnostic error. We present a case of a peripancreatic mass identified by radiology as a gastrointestinal stromal tumor. Endos...

  • Case Report
  • Open Access
7 Citations
17,184 Views
6 Pages

Middle Cerebral Artery Stroke as Amusement Park Injury: Case Report and Review of the Literature

  • Abby Baumgartle,
  • Laura Wolfe,
  • Vinay Puri,
  • Karen Moeller and ,
  • Salvatore Bertolone and
  • Ashok Raj
  • + 1 author+ 0 author

Strokes as amusement park injuries are rare, but have been reported in the literature. Only about 20 cases of cerebrovascular accidents after amusement park visits have been described. We report a healthy 12-year-old boy who presented with facial dro...

  • Article
  • Open Access
8 Citations
3,091 Views
20 Pages

10 May 2022

This paper proposes a logarithmic version of the two-component ACD (LogCACD) model with no restrictions on the sign of the model parameters while allowing the expected durations to be decomposed into the long- and short-run components to capture the...

(This article belongs to the Special Issue Time Series Analysis and Econometrics with Applications)
  • Article
  • Open Access
2 Citations
1,110 Views
10 Pages

Effects of 3D Virtual Reality on Postural Control in Young Adults: Clinical and Practical Implications

  • Gustavo Christofoletti,
  • Gabriela Maria da Silva Béé,
  • Otávio Reginato,
  • Nathalia Oliveira Rodrigues and ,
  • Sidineia Silva Pinheiro Cavalcante Franco and
  • Ana Beatriz Gomes de Souza Pegorare
  • + 1 author+ 0 author

Background: Previous studies have demonstrated the benefits of virtual reality (VR) as an intervention tool guided by specialists. However, little is known about whether VR may pose risks in uncontrolled environments. Considering its implications for...

(This article belongs to the Topic The Use of New Technologies, Artificial Intelligence and Digital Twin in Health and Clinical Practice)
  • Article
  • Open Access
2 Citations
815 Views
8 Pages

The Illusion of Being Located in Dynamic Virtual Environments—Can Eye Movement Parameters Predict Spatial Presence?

  • Bartholomäus Wissmath,
  • Daniel Stricker,
  • David Weibel,
  • Eva Siegenthaler and
  • Fred W. Mast

30 October 2010

Attention allocation towards the mediated environment is assumed to be a necessary precondition to feel localized in a virtual world. In presence research, however, the potential of eye movement research has not been fully exploited so far. In this s...

  • Article
  • Open Access
9 Citations
3,636 Views
22 Pages

The Harris Extended Bilal Distribution with Applications in Hydrology and Quality Control

  • Radhakumari Maya,
  • Muhammed Rasheed Irshad,
  • Muhammed Ahammed and
  • Christophe Chesneau

10 March 2023

In this research work, a new three-parameter lifetime distribution is introduced and studied. It is called the Harris extended Bilal distribution due to its construction from a mixture of the famous Bilal and Harris distributions, resulting from a br...

  • Article
  • Open Access
34 Citations
6,233 Views
15 Pages

Following the advances in modern head-mounted displays, research exploring the human experience of virtual environments has seen a surge in interest. Researchers have examined how to promote individuals’ sense of presence, i.e., their experienc...

  • Article
  • Open Access
26 Citations
6,324 Views
20 Pages

Māori (Indigenous peoples of Aotearoa New Zealand) bear an unequal burden of poor perinatal health outcomes, including preterm birth. An infant arriving preterm disrupts the birth imaginary of whānau (family collectives) and situates them in a foreig...

(This article belongs to the Special Issue The Health and Wellbeing of Indigenous and Tribal Peoples around the Globe)
  • Article
  • Open Access
1 Citations
227 Views

Ganglion cysts are relatively common entities, but intraneural ganglia within peripheral nerves are rare and poorly understood. We present a case of a 51-year-old man who presented with acute left dropfoot. Initial magnetic resonance imaging (MRI) wa...

  • Article
  • Open Access
75 Citations
19,734 Views
32 Pages

Background: Given that VR is used in multiple domains, understanding the effects of cybersickness on human cognition and motor skills and the factors contributing to cybersickness is becoming increasing important. This study aimed to explore the pred...

  • Article
  • Open Access
18 Citations
5,174 Views
9 Pages

10 May 2019

The present study investigated the effect of retinal eccentricity on visually induced motion sickness (VIMS) and postural control. Participants wore a head-mounted display masked for the central 10° (peripheral vision), the peripheral except for...

(This article belongs to the Section Applied Industrial Technologies)
  • Article
  • Open Access
36 Citations
7,522 Views
17 Pages

Emotional Experience and Feelings during First COVID-19 Outbreak Perceived by Physical Therapists: A Qualitative Study in Madrid, Spain

  • Domingo Palacios-Ceña,
  • César Fernández-de-las-Peñas,
  • Lidiane L. Florencio,
  • Ana I. de-la-Llave-Rincón and
  • María Palacios-Ceña

Knowing the experiences and feelings of health professionals who have actively worked on the first-line during the first COVID-19 outbreak could help for identifying specific professional duties focused on health assistance objectives. No qualitative...

(This article belongs to the Special Issue Qualitative Research and Mixed Methods, Application in Health Care Science)
  • Article
  • Open Access
18 Citations
7,295 Views
26 Pages

28 June 2023

In recent years, cryptocurrency has increased in popularity in Indonesia. In Indonesia, based on data from the Ministry of Trade (Kemendag), until the end of May 2021, the number of investors in cryptocurrency assets or crypto money was 6.5 million p...

  • Article
  • Open Access
1 Citations
2,087 Views
12 Pages

Dependence of Body Stability on Optical Conditions during VR Viewing

  • Gi-Seong Jeong,
  • Hyun-Goo Kang and
  • Sang-Yeob Kim

The dependence of body stability on the distance between the optical centers of VR-device lenses and the refractive error status of users during VR viewing was investigated. Participants included 31 adults, and their postural-control ability was meas...

(This article belongs to the Special Issue Applications of Virtual, Augmented and Mixed Reality)
  • Article
  • Open Access
8 Citations
8,598 Views
24 Pages

Serious games for health are those that are not aimed solely at entertainment, but rather at supporting health treatments. In this paper, we develop and assess the proposal of a Virtual Reality (VR) game aimed at supporting Sensory Processing Disorde...

(This article belongs to the Special Issue Serious Games and Applications for Health (SeGAH 2018))
  • Article
  • Open Access
9 Citations
4,577 Views
17 Pages

Development and Application of IoT Monitoring Systems for Typical Large Amusement Facilities

  • Zhao Zhao,
  • Weike Song,
  • Huajie Wang,
  • Yifeng Sun and
  • Haifeng Luo

9 July 2024

The advent of internet of things (IoT) technology has ushered in a new dawn for the digital realm, offering innovative avenues for real-time surveillance and assessment of the operational conditions of intricate mechanical systems. Nowadays, mechanic...

(This article belongs to the Section Internet of Things)
  • Article
  • Open Access
30 Citations
5,089 Views
22 Pages

Stress is induced in response to any mental, physical or emotional change associated with our daily experiences. While short term stress can be quite beneficial, prolonged stress is detrimental to the heart, muscle tissues and immune system. In order...

(This article belongs to the Special Issue Biomedical Data Mining and Machine Learning for Disease Diagnosis and Health Informatics)