INTERNAL ASSIGNMENT Name- Barsha Halder Uni roll- 220711130009 Reg no – 201701040931 of 2017 – 2018 Session – 2022- 2024
Topic- virtual laboratory and haptic technology
• Virtual laboratory Virtual laboratory simulation now is one of the most important and widely spread e-learning techniques. It is considered as 3D immersive simulation in science that enables students to conduct science experiments online, from their personal devices anytime and anywhere.
Virtual laboratories are used to enable both teachers and students to achieve the educational goals they want by facilitating the application of the practical side of the curriculum, teaching the different scientific principles and techniques, and clarifying the experiment steps.
• Use of virtual laboratory Virtual labs have a wide range of uses and benefits in many fields such as science laboratories\ medicine\ education\ air fighting simulations\ data visualization\treating mental illnesses\ gaming and more. 1. Education purpose : One of the most important and big uses of virtual laboratory is education. It helps educators and students to conduct experiments easily and increase their practical knowledge by using 3D interactive and immersive simulations that simulate the real science laboratory. Virtual laboratory covers a wide range of topics in the field of chemistry, physics and biology. Virtual laboratories ensure the safety of students while exploring scientific concepts, doing virtual experiments, and making observations.
2. Cost-Effective Alternative: The big importance of a virtual laboratory is the cost reduction alternative by eliminating the need for materials, tools, equipment and other physical resources that require high costs. Educational institutions can access a wide variety of scientific of 3d virtual simulations without the financial burden of purchasing and maintaining lab equipment.
3. Accessibility and Flexibility: Virtual Laboratory provides accessibility to students and educators who may not have access to traditional laboratories due to various causes such as distance learning or unavailable physical resources, virtual labs are considered the perfect solution as they can be accessed from anywhere and anytime to allow learners to conduct experiments at their own pace.
4. Risk-Free Environment: In real laboratories in colleges and universities, dangerous experiments are often canceled and only studied theoretically to ensure the safety of students.
Virtual Laboratory offer a very safe environment, enabling students to conduct dangerous experiments in a risk-free environment. They can do and understand complex experiments without the worry of dealing with harmful chemicals or any other hazards.
5. Data Analysis and Visualization: Virtual Laboratory often includes tools for data analysis that can help both the students and teachers by helping them to collect, analyze, and interpret data generated from the 3D virtual experiments this works to increase their learning outcomes and also teaches them important techniques for data analysis.
Also, the visualization sources like lab manuals, walkthrough videos, tutorials, and more help strongly in this point.
In this article, we focus on the uses of virtual laboratories in education, especially in teaching science 6. Virtual Laboratory in Education Virtual labs play a vital role in education and educational settings, particularly in the fields of science, technology, engineering, and mathematics (STEM).
Virtual labs improve understanding the scientific concepts and protocols well, especially at the microscopic level as it allow students to understand clearly by imagining and visualizing what happened inside these small creatures and other things at the microscopic level. They also help in enhancing educators’ visual impact and observational skills.
Virtual laboratories play a vital role in distance and remote learning systems, especially at the time of pandemics they enable students to access and conduct experiments easily at any time and anywhere without any difficulties. Moreover, the 3D virtual lab simulations help students by preparing them before dealing with the real lab as they conduct the experiments virtually first and this makes them understand well the mechanisms, protocols, and principles of the experiments.
7. Virtual Laboratory in Teaching Science Virtual laboratories play a vital role in increasing student engagement, understanding, and learning experiences which make them effective supplementary learning tools in education.
Virtual Laboratory in Teaching Science
Virtual labs are considered a very important method for teaching science. Students can conduct experiments easily anytime and anywhere by using simulations in an interactive virtual environment without the need of real laboratory tools. They provide educators with tools, materials, and techniques set on computers to do experiments or on websites. This improves the student’s learning outcomes by creating a more immersive learning experience for students and enhancing their engagement.
Educational institutes can benefit from the power of virtual laboratory in teaching science by integrating it with immersive digital lab environments that support STEM education. By using virtual lab, tasks like grading assignments and monitoring student progress can be done automatically and this will make teachers spend more time interacting with students and focusing on their individual educational needs.
By using virtual labs students and educators can perform the experiment more than once (an infinite number of times). Virtual labs protect students and teachers from hazards like electricity, direct contact with toxic materials, explosive devices and radioactive chemicals.
Virtual laboratory in teaching science and education has benefits such as personalization, grading, feedback on course quality, tutoring, and meaningful and immediate feedback to students. PraxiLabs virtual labs provide students and educational organizations with a big catalog of virtual experiments simulations for college students. Our experiments cover topics in biology, chemistry, and physics. Without the hazards or high costs, educators can learn and understand scientific concepts and techniques through our virtual labs.
• Advantages of Virtual Laboratory Virtual Laboratory simulation offers many important advantages for educators that make it a valuable method in various educational and research fields. Here are some of the key advantages of virtual laboratory:
Immersive Interaction and 3D Virtual Experiments
Virtual laboratories provide interactive and immersive 3D virtual science experiments simulations of a realistic lab for educators with better management of time, skills and knowledge to increase the learning outcomes.
1. Cost-Effectiveness Conducting some experiments in real laboratories can be very expensive. Virtual laboratories eliminate the need of expensive tools, equipment, materials, and maintenance for doing experiments, so educational institutions can invest in virtual laboratories to provide their students with a larger number of experiments and also save more money
2. Enhanced Safety Doing experiments by using a virtual lab Protects students from any dangers they may face while conducting dangerous experiments in real labs. It is an effective method for preventing the laboratory accidents by eliminating the dealing with toxic substances or radioactive chemicals and other hazards such as electricity and pathogens. So, Virtual labs provide a safe environment for educators and ensure their safety while exploring various scientific concepts and protocols.
3. Time Efficiency By using virtual labs, you can save more time and effort, as they eliminate the need to move between different laboratories. Students can save time by accessing experiments, and learning resources without the need for setup or cleanup which enables them to focus more on the core learning objectives
Also, not all scientific colleges can give their students the opportunity to conduct all the experiments that are taught to them, especially the long and difficult ones that require many procedures.
For example, the experiment (production of monoclonal antibodies – Hybridoma ), which is considered one of the most important and longest experiments in immunology. It requires several months and many equipment and techniques, which makes its implementation in real laboratories difficult.
Therefore, PraxiLabs virtual laboratories offer a 3D simulation of this experiment that enables you to conduct it in a very short time and from anywhere. It also provides you with the opportunity to practice repeating the steps without having to enter the real lab more than once.
Available Anytime, Anywhere and for Many Times
Virtual laboratories provide a virtual learning and teaching environment that aims to develop the student’s practical skills and learning outcomes. And as they are available through the Internet, educators can perform many different experiments without being restricted to specific places or specific times as it is in the case of using real laboratories. Students can conduct their experiments with 24/7 unlimited accessibility.
Also, by using the virtual labs students can repeat their virtual experiments many times, until they grasp and understand all the information.
• Haptic technology (also kinaesthetic communication or 3D touch) .is technology that can create an experience of touch by applying forces, vibrations, or motions to the user. These technologies can be used to create virtual objects in a computer simulation, to control virtual objects, and to enhance remote control of machines and devices ( telerobotics ). Haptic devices may incorporate tactile sensors that measure forces exerted by the user on the interface. The word haptic, from the Greek: ἁπ τικός ( haptikos ), means “tactile, pertaining to the sense of touch”. Simple haptic devices are common in the form of game controllers, joysticks, and steering wheels.
Haptic technology facilitates investigation of how the human sense of touch works by allowing the creation of controlled haptic virtual objects. Most researchers distinguish three sensory systems related to sense of touch in humans: cutaneous, kinaesthetic and haptic.All perceptions mediated by cutaneous and kinaesthetic sensibility are referred to as tactual perception. The sense of touch may be classified as passive and active, and the term “haptic” is often associated with active touch to communicate or recognize objects.
• Types of mechanical touch sensing Human sensing of mechanical loading in the skin is managed by Mechanoreceptors. There are a number of types of mechanoreceptors but those present in the finger pad are typically placed into two categories. Fast acting (FA) and slow acting (SA). SA mechanoreceptors are sensitive to relatively large stresses and at low frequencies while FA mechanoreceptors are sensitive to smaller stresses at higher frequencies. The result of this is that generally SA sensors can detect textures with amplitudes greater than 200 micrometers and FA sensors can detect textures with amplitudes less than 200 micrometers down to about 1 micrometer, though some research suggests that FA can only detect textures smaller than the fingerprint wavelength. FA mechanoreceptors achieve this high resolution of sensing by sensing vibrations produced by friction and an interaction of the fingerprint texture moving over fine surface texture.
Conclusion: It important to create An environment To develop a community knowledge about to it.