This document contains mathematical equations for a torus polar plot where sinθ equals the derivative of x with respect to θ, cosθ equals the derivative of z with respect to θ, and z equals the derivative of z with respect to x.
20240408 Bending Backwards to the Second Step Up.docxSharon Liu
1. The document describes a move called "bending backwards to the second step up" which involves bending backwards with folded arms until the head touches the second step and straightening back up. It provides exercises to improve flexibility like doing crab walks.
2. It also describes a move called "stepping onto the bed from under one meter away" and recommends exercises like walking, jumping, and working on frontal splits to improve the leg strength and stride length needed.
3. The author's goals for the year are to improve arm strength through swimming and sharpen eyesight through writing more to eventually do a cartwheel. Regular exercise in the gym and dancing are also recommended.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.Sharon Liu
The document outlines an initial plan for a car simulator programmed in JavaScript. The first version will include a turn-based simulation with a bird's eye view of a road with a left turn, clutch and gear pedals, and a steering wheel. The car will move in units along the road and crash if instructions are wrong. Possible JavaScript functions needed include using SVG for the view, forms for controls, and equations for speed and steering ratio. The purpose is to teach people how to drive.
20240315 ACMJ Diagrams Set 2.docx . With light, motor, coloured light, and se...Sharon Liu
ACMJ is a computer project, which stands for Apache, CSharp, MySQL and JavaScript stack and server. This document shows early prototyping, of the hardware.
SL CV 20240312.docx . Sharon Xiao Liu's Curriculum Vitae.Sharon Liu
This curriculum vitae summarizes Sharon Xiao Liu's work experience and qualifications. She has various experiences in programming, data entry, reception work, tutoring, and volunteering. Her programming skills include JavaScript, HTML, CSS, PHP, and SQL. She is fluent in English and Mandarin Chinese.
20240308 Jumping from the Fifth step up.docxSharon Liu
1. The document details the author's progress in jumping from increasingly higher steps on a staircase over several years. They have now achieved jumping from the fifth step up.
2. Instructions are provided on how to safely jump from the fifth step up, including bending the knees, spotting the landing, and practicing the jump in parts before attempting it fully.
3. Additional exercises done by the author to improve their jumping abilities are listed, such as jumping on and off furniture, roller skating, and cartwheels. Notes are taken on each achievement to track progress over time.
20240206 Rotated Torus and Full Rotated Sphere 45 degrees down 45 left.docxSharon Liu
1. The document describes the mathematical equations and process for plotting a sphere that has been rotated 45 degrees down and 45 degrees to the left.
2. Key steps include first plotting an upright sphere and calculating the x, y, and z coordinates of points on the equator and 45 degree halos.
3. The coordinates are then rotated 45 degrees around the x-axis to plot the sphere rotated 45 degrees down.
4. Finally, the coordinates are rotated another 45 degrees around the y-axis to plot the final sphere rotated 45 degrees down and 45 degrees to the left.
20240408 Bending Backwards to the Second Step Up.docxSharon Liu
1. The document describes a move called "bending backwards to the second step up" which involves bending backwards with folded arms until the head touches the second step and straightening back up. It provides exercises to improve flexibility like doing crab walks.
2. It also describes a move called "stepping onto the bed from under one meter away" and recommends exercises like walking, jumping, and working on frontal splits to improve the leg strength and stride length needed.
3. The author's goals for the year are to improve arm strength through swimming and sharpen eyesight through writing more to eventually do a cartwheel. Regular exercise in the gym and dancing are also recommended.
20240319 Car Simulator Plan.pptx . Plan for a JavaScript Car Driving Simulator.Sharon Liu
The document outlines an initial plan for a car simulator programmed in JavaScript. The first version will include a turn-based simulation with a bird's eye view of a road with a left turn, clutch and gear pedals, and a steering wheel. The car will move in units along the road and crash if instructions are wrong. Possible JavaScript functions needed include using SVG for the view, forms for controls, and equations for speed and steering ratio. The purpose is to teach people how to drive.
20240315 ACMJ Diagrams Set 2.docx . With light, motor, coloured light, and se...Sharon Liu
ACMJ is a computer project, which stands for Apache, CSharp, MySQL and JavaScript stack and server. This document shows early prototyping, of the hardware.
SL CV 20240312.docx . Sharon Xiao Liu's Curriculum Vitae.Sharon Liu
This curriculum vitae summarizes Sharon Xiao Liu's work experience and qualifications. She has various experiences in programming, data entry, reception work, tutoring, and volunteering. Her programming skills include JavaScript, HTML, CSS, PHP, and SQL. She is fluent in English and Mandarin Chinese.
20240308 Jumping from the Fifth step up.docxSharon Liu
1. The document details the author's progress in jumping from increasingly higher steps on a staircase over several years. They have now achieved jumping from the fifth step up.
2. Instructions are provided on how to safely jump from the fifth step up, including bending the knees, spotting the landing, and practicing the jump in parts before attempting it fully.
3. Additional exercises done by the author to improve their jumping abilities are listed, such as jumping on and off furniture, roller skating, and cartwheels. Notes are taken on each achievement to track progress over time.
20240206 Rotated Torus and Full Rotated Sphere 45 degrees down 45 left.docxSharon Liu
1. The document describes the mathematical equations and process for plotting a sphere that has been rotated 45 degrees down and 45 degrees to the left.
2. Key steps include first plotting an upright sphere and calculating the x, y, and z coordinates of points on the equator and 45 degree halos.
3. The coordinates are then rotated 45 degrees around the x-axis to plot the sphere rotated 45 degrees down.
4. Finally, the coordinates are rotated another 45 degrees around the y-axis to plot the final sphere rotated 45 degrees down and 45 degrees to the left.
Sharon Liu went ice skating for the second time and was able to slowly skate unsupported towards the center of the rink, holding onto the rink barrier for support. The document provides tips for beginning ice skaters on how to slowly skate unsupported, such as tightly lacing skates and using the barrier for balance. It discusses the difficulty of replicating roller skating jumps and spins on ice due to ice's slipperiness. The document considers next steps for practicing a two-footed jump, such as focusing more on roller skating moves and kicks.
The document provides instructions for various ice skating techniques including: skating straight ahead by stepping one foot in front of the other and using arms to balance; skating at speed by running on skates and controlling momentum; skating around a bend by leaning inside and lifting the outside skate; jumping with two feet by keeping momentum on landing; spinning by pivoting on one leg then the other and using arms to propel rotation; and performing a single axle spin by exerting force on takeoff to spin fully around before landing.
20231006 Sphere rotated 45 degrees down.docxSharon Liu
A sphere was rotated 45 degrees down. The document contains equations to calculate the x, y, and z components (d_x, d_y, d_z) of a point on the surface of the rotated sphere based on the radius of the sphere (r_halo) and the original x, y, z components of the point before rotation (d_x_upright, d_y_upright, d_z_upright). It also provides instructions to check the cardinal points when plotting and to adjust the radius of the sphere by multiplying the original x, y, z components by the same factor.
Sharon Liu documents the process of recycling air-dried clay. The key step is adding water to soften recycled clay scraps, allowing them to be remolded. Liu took a clay boat, soaked it in water for a week to rehydrate it, then remolded the clay into another boat shape. Although clay can be recycled when air-dried, firing it alters its structure, preventing easy remolding through rehydration.
20230831 a of the equator - Rotated sphere.docxSharon Liu
This document describes a rotated sphere that is tilted 45 degrees down and 45 degrees to the left. It defines the point a, which is located at the back of the sphere and marks the end of the short axis of the ellipse formed by the sphere's equator. The document also provides the coordinates of the north pole, south pole, and point a of the rotated sphere.
This document describes how to rotate an ellipse by 45 degrees to the right. It defines the new angle after rotation as rot_theta, and provides formulas to calculate the new x and y coordinates (x = cos(rot_theta)*r_horizontal_ellipse, y = sin(rot_theta)*r_horizontal_ellipse) based on the original point's coordinates and the length of the straight line through the original point.
This presentation, is about pure recall. Well, nothing is ever truly about pure recall, because if you do pure recall, you get really worried, and automatically memorise.
This document discusses how to plot an ellipse with an ordinary equation of x^2/a^2 + y^2/b^2 = 1 and specific values of a=2 and b=1. It then derives the equations to plot the ellipse using radial coordinates by calculating the cosine and sine of the theta angle from the distances on the x and y axes and deriving an expression for the slope m in terms of x and y to put into the ellipse equation.
20230809 South Pole of the Rotated Sphere.docxSharon Liu
This document contains mathematical calculations and coordinates for the north and south poles of a rotated sphere, including the x and y coordinates of the north pole (-sin(45)*sin(45), cos(45)), south pole (0.5, -cos(45)), and radial circles (sin(theta), cos(theta)). It also lists the y-coordinates for points on an upright sphere and calculates the lengths of the upright and rotated sphere axes.
20230804 Rotated Sphere with new North Pole.docxSharon Liu
A sphere was rotated 45 degrees down and 45 degrees clockwise horizontally, with coordinates provided for its new position at the North Pole. Some mathematical formulas are also included relating to the sphere's radius, as well as the x, y, and z distances from the sphere's center based on the down and clockwise horizontal rotation amounts. A radial plot of a circle is also mentioned with formulas for the x and y distances in terms of the theta parameter.
This document describes plotting a sphere in a horizontal orientation as an intermediary step before rotating it. It defines the radius of the sphere as 1, calculates the radius when tilted 45 degrees down as the sine of 45 degrees (0.707106781), and provides equations to calculate the y and x offsets when rotating the sphere horizontally based on the sine and cosine of the tilt angle.
This document discusses the equation and length of a 3D line. It describes how three equations can define a 3D line that passes through two points, D1(0,1,0) and D2(2,3,-2). The length of the line can be calculated as the square root of the sum of the squared differences between the x, y, and z coordinates of the two points.
This document discusses generating a skewed ellipse by rotating a sphere. It defines the tilt along the up-down and left-right axes and identifies five key points along the tilted axis: the north pole, south pole, equator centerpoint, and 45 degree up centerpoint. To find the coordinates of these points, it sets up equations for the length of the tilted axis and the radius of the sphere, and solves them simultaneously. It concludes by outlining next steps to find the plane equation for the 45 degree up centerpoint and solve all equations to plot the rotated skewed ellipse.
The document discusses finding tangents to circles using calculus. It explains finding the gradient of a circle at a point with an angle of 2 degrees, then using the y=mx+c equation to plot the tangent line. It also describes directly calculating coordinates on a circle where the tangent line has a gradient of -1 by using a 3D plane representation.
This document contains diagrams of various electrical and mechanical systems including a multifrequency transistor circuit, solar panel, undulating water motor, and shrinker prototype. It also includes basic diagrams of light interactions with materials like foil and camellia leaves.
This document discusses torus equations from May 12th to 22nd 2023. It presents the simplest torus equation the author found as a general form involving x, y, z coordinates and constants a and r. It plots this torus equation to demonstrate that it works by relating the x and z differentials to r and trigonometric functions of the variable theta.
This document provides guidance on how to talk constantly on various topics. It discusses preparing talking points in advance, choosing a topic like maths to focus on, ways to memorize information from conversations, and tips for different types of conversations like face-to-face, on the phone, with strangers, or one-way. The document also provides lists of essential terms and concepts for talking about maths, such as operators, functions, and the Greek alphabet.
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...AbdullaAlAsif1
The pygmy halfbeak Dermogenys colletei, is known for its viviparous nature, this presents an intriguing case of relatively low fecundity, raising questions about potential compensatory reproductive strategies employed by this species. Our study delves into the examination of fecundity and the Gonadosomatic Index (GSI) in the Pygmy Halfbeak, D. colletei (Meisner, 2001), an intriguing viviparous fish indigenous to Sarawak, Borneo. We hypothesize that the Pygmy halfbeak, D. colletei, may exhibit unique reproductive adaptations to offset its low fecundity, thus enhancing its survival and fitness. To address this, we conducted a comprehensive study utilizing 28 mature female specimens of D. colletei, carefully measuring fecundity and GSI to shed light on the reproductive adaptations of this species. Our findings reveal that D. colletei indeed exhibits low fecundity, with a mean of 16.76 ± 2.01, and a mean GSI of 12.83 ± 1.27, providing crucial insights into the reproductive mechanisms at play in this species. These results underscore the existence of unique reproductive strategies in D. colletei, enabling its adaptation and persistence in Borneo's diverse aquatic ecosystems, and call for further ecological research to elucidate these mechanisms. This study lends to a better understanding of viviparous fish in Borneo and contributes to the broader field of aquatic ecology, enhancing our knowledge of species adaptations to unique ecological challenges.
Describing and Interpreting an Immersive Learning Case with the Immersion Cub...Leonel Morgado
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
Sharon Liu went ice skating for the second time and was able to slowly skate unsupported towards the center of the rink, holding onto the rink barrier for support. The document provides tips for beginning ice skaters on how to slowly skate unsupported, such as tightly lacing skates and using the barrier for balance. It discusses the difficulty of replicating roller skating jumps and spins on ice due to ice's slipperiness. The document considers next steps for practicing a two-footed jump, such as focusing more on roller skating moves and kicks.
The document provides instructions for various ice skating techniques including: skating straight ahead by stepping one foot in front of the other and using arms to balance; skating at speed by running on skates and controlling momentum; skating around a bend by leaning inside and lifting the outside skate; jumping with two feet by keeping momentum on landing; spinning by pivoting on one leg then the other and using arms to propel rotation; and performing a single axle spin by exerting force on takeoff to spin fully around before landing.
20231006 Sphere rotated 45 degrees down.docxSharon Liu
A sphere was rotated 45 degrees down. The document contains equations to calculate the x, y, and z components (d_x, d_y, d_z) of a point on the surface of the rotated sphere based on the radius of the sphere (r_halo) and the original x, y, z components of the point before rotation (d_x_upright, d_y_upright, d_z_upright). It also provides instructions to check the cardinal points when plotting and to adjust the radius of the sphere by multiplying the original x, y, z components by the same factor.
Sharon Liu documents the process of recycling air-dried clay. The key step is adding water to soften recycled clay scraps, allowing them to be remolded. Liu took a clay boat, soaked it in water for a week to rehydrate it, then remolded the clay into another boat shape. Although clay can be recycled when air-dried, firing it alters its structure, preventing easy remolding through rehydration.
20230831 a of the equator - Rotated sphere.docxSharon Liu
This document describes a rotated sphere that is tilted 45 degrees down and 45 degrees to the left. It defines the point a, which is located at the back of the sphere and marks the end of the short axis of the ellipse formed by the sphere's equator. The document also provides the coordinates of the north pole, south pole, and point a of the rotated sphere.
This document describes how to rotate an ellipse by 45 degrees to the right. It defines the new angle after rotation as rot_theta, and provides formulas to calculate the new x and y coordinates (x = cos(rot_theta)*r_horizontal_ellipse, y = sin(rot_theta)*r_horizontal_ellipse) based on the original point's coordinates and the length of the straight line through the original point.
This presentation, is about pure recall. Well, nothing is ever truly about pure recall, because if you do pure recall, you get really worried, and automatically memorise.
This document discusses how to plot an ellipse with an ordinary equation of x^2/a^2 + y^2/b^2 = 1 and specific values of a=2 and b=1. It then derives the equations to plot the ellipse using radial coordinates by calculating the cosine and sine of the theta angle from the distances on the x and y axes and deriving an expression for the slope m in terms of x and y to put into the ellipse equation.
20230809 South Pole of the Rotated Sphere.docxSharon Liu
This document contains mathematical calculations and coordinates for the north and south poles of a rotated sphere, including the x and y coordinates of the north pole (-sin(45)*sin(45), cos(45)), south pole (0.5, -cos(45)), and radial circles (sin(theta), cos(theta)). It also lists the y-coordinates for points on an upright sphere and calculates the lengths of the upright and rotated sphere axes.
20230804 Rotated Sphere with new North Pole.docxSharon Liu
A sphere was rotated 45 degrees down and 45 degrees clockwise horizontally, with coordinates provided for its new position at the North Pole. Some mathematical formulas are also included relating to the sphere's radius, as well as the x, y, and z distances from the sphere's center based on the down and clockwise horizontal rotation amounts. A radial plot of a circle is also mentioned with formulas for the x and y distances in terms of the theta parameter.
This document describes plotting a sphere in a horizontal orientation as an intermediary step before rotating it. It defines the radius of the sphere as 1, calculates the radius when tilted 45 degrees down as the sine of 45 degrees (0.707106781), and provides equations to calculate the y and x offsets when rotating the sphere horizontally based on the sine and cosine of the tilt angle.
This document discusses the equation and length of a 3D line. It describes how three equations can define a 3D line that passes through two points, D1(0,1,0) and D2(2,3,-2). The length of the line can be calculated as the square root of the sum of the squared differences between the x, y, and z coordinates of the two points.
This document discusses generating a skewed ellipse by rotating a sphere. It defines the tilt along the up-down and left-right axes and identifies five key points along the tilted axis: the north pole, south pole, equator centerpoint, and 45 degree up centerpoint. To find the coordinates of these points, it sets up equations for the length of the tilted axis and the radius of the sphere, and solves them simultaneously. It concludes by outlining next steps to find the plane equation for the 45 degree up centerpoint and solve all equations to plot the rotated skewed ellipse.
The document discusses finding tangents to circles using calculus. It explains finding the gradient of a circle at a point with an angle of 2 degrees, then using the y=mx+c equation to plot the tangent line. It also describes directly calculating coordinates on a circle where the tangent line has a gradient of -1 by using a 3D plane representation.
This document contains diagrams of various electrical and mechanical systems including a multifrequency transistor circuit, solar panel, undulating water motor, and shrinker prototype. It also includes basic diagrams of light interactions with materials like foil and camellia leaves.
This document discusses torus equations from May 12th to 22nd 2023. It presents the simplest torus equation the author found as a general form involving x, y, z coordinates and constants a and r. It plots this torus equation to demonstrate that it works by relating the x and z differentials to r and trigonometric functions of the variable theta.
This document provides guidance on how to talk constantly on various topics. It discusses preparing talking points in advance, choosing a topic like maths to focus on, ways to memorize information from conversations, and tips for different types of conversations like face-to-face, on the phone, with strangers, or one-way. The document also provides lists of essential terms and concepts for talking about maths, such as operators, functions, and the Greek alphabet.
Unlocking the mysteries of reproduction: Exploring fecundity and gonadosomati...AbdullaAlAsif1
The pygmy halfbeak Dermogenys colletei, is known for its viviparous nature, this presents an intriguing case of relatively low fecundity, raising questions about potential compensatory reproductive strategies employed by this species. Our study delves into the examination of fecundity and the Gonadosomatic Index (GSI) in the Pygmy Halfbeak, D. colletei (Meisner, 2001), an intriguing viviparous fish indigenous to Sarawak, Borneo. We hypothesize that the Pygmy halfbeak, D. colletei, may exhibit unique reproductive adaptations to offset its low fecundity, thus enhancing its survival and fitness. To address this, we conducted a comprehensive study utilizing 28 mature female specimens of D. colletei, carefully measuring fecundity and GSI to shed light on the reproductive adaptations of this species. Our findings reveal that D. colletei indeed exhibits low fecundity, with a mean of 16.76 ± 2.01, and a mean GSI of 12.83 ± 1.27, providing crucial insights into the reproductive mechanisms at play in this species. These results underscore the existence of unique reproductive strategies in D. colletei, enabling its adaptation and persistence in Borneo's diverse aquatic ecosystems, and call for further ecological research to elucidate these mechanisms. This study lends to a better understanding of viviparous fish in Borneo and contributes to the broader field of aquatic ecology, enhancing our knowledge of species adaptations to unique ecological challenges.
Describing and Interpreting an Immersive Learning Case with the Immersion Cub...Leonel Morgado
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
hematic appreciation test is a psychological assessment tool used to measure an individual's appreciation and understanding of specific themes or topics. This test helps to evaluate an individual's ability to connect different ideas and concepts within a given theme, as well as their overall comprehension and interpretation skills. The results of the test can provide valuable insights into an individual's cognitive abilities, creativity, and critical thinking skills
When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
Perhaps most importantly, Thermodynamics rapidly became a primary tool in the advance of applied science/engineering/technology, spanning micro-tech, to aerospace and cosmology. I can think of no better a story to illustrate the breadth of scientific methodologies and applications at their best.
PPT on Direct Seeded Rice presented at the three-day 'Training and Validation Workshop on Modules of Climate Smart Agriculture (CSA) Technologies in South Asia' workshop on April 22, 2024.
The binding of cosmological structures by massless topological defectsSérgio Sacani
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
The cost of acquiring information by natural selectionCarl Bergstrom
This is a short talk that I gave at the Banff International Research Station workshop on Modeling and Theory in Population Biology. The idea is to try to understand how the burden of natural selection relates to the amount of information that selection puts into the genome.
It's based on the first part of this research paper:
The cost of information acquisition by natural selection
Ryan Seamus McGee, Olivia Kosterlitz, Artem Kaznatcheev, Benjamin Kerr, Carl T. Bergstrom
bioRxiv 2022.07.02.498577; doi: https://doi.org/10.1101/2022.07.02.498577
Authoring a personal GPT for your research and practice: How we created the Q...Leonel Morgado
Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...Sérgio Sacani
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.