The Mind Bending Story of Quantum Physics (Part 1/2) | Spark
We Make Your Education Count
Get the Credit You Deserve and Become the Most Attractive Job Candidate by Earning and Posting A+ Badges to Your Linkedin Profile.
Sign Up to Get Started at Accredicity
Unlock the Weird and Wonderful World of Quantum Mechanics to Solve the Mysteries of Light - Discover How Reality Defies Common Sense! Story Of Quantum Physics is a fascinating journey of exploration into the world of physics, guided by renowned physicist Jim Al-Khalili. In this video Spark explores the origins of quantum mechanics and its implications for our understanding of the universe. We learn about the invention of the light bulb and its connection to the birth of quantum mechanics, the mysterious ultraviolet catastrophe and the photoelectric effect, and the debate about the wave-like behavior of light. We also explore the strange world of quantum mechanics, where things can be in two places at once and reality defies all common sense. Learning Outline1. Wave theory of light was firmly accepted at the time, but it could not explain the ultraviolet catastrophe or the photoelectric effect Instructional ContentQuantum mechanics is a complex and fascinating subject that has baffled scientists for centuries. The mind-bending story of quantum physics begins with the invention of the light bulb, which sparked a scientific revolution. This revolution revealed the strange and bizarre world of quantum mechanics, which was completely unlike the world we know. Scientists found that, at the level of the building blocks of matter, things could be in two places at once and that their fate was dictated by chance. Max Planck was one of the founders of quantum mechanics, and he set out to investigate why the color of the light changes as the filament of a light bulb gets hotter. With the help of a blackbody radiator, Planck and his colleagues were able to precisely measure the color and frequency of the light produced. To their surprise, they found that blue light was much harder to produce than red and that even with temperatures as high as those of the sun, there was still very little ultraviolet light. This posed a problem for scientists as it contradicted their existing theories of light being a wave. The two mysterious anomalies, the ultraviolet catastrophe and the photoelectric effect, showed that light clearly behaved differently from what was previously thought. The photoelectric effect showed that light could remove static electric charge from metal surfaces, and that ultraviolet light was much better at doing this than red light. These discoveries made it clear that light was not a wave, but rather a strange particle-wave duality. The story of quantum physics is a captivating one that continues to challenge our understanding of the universe. By watching the video, The Mind Bending Story of Quantum Physics, viewers can explore the strange world of quantum mechanics, and gain a better understanding of the complexities of our universe. Cognition
|
Quantum physics is a strange and confusing world where the rules of our everyday life don't apply. For example, when you throw a stone it flies through the air in a predictable path, but in the realm of the very small, things can be in two places at once and their fate can be dictated by chance. One hundred years ago, scientists were trying to find out why the color of a light bulb changed as it got hotter. They built a special tube they could heat and measure the color of the light it produced. They also discovered that by shining a powerful light on two metal spheres they could make sparks jump more easily. This showed a mysterious connection between light and electricity. All of these discoveries were very strange and didn't make sense with what scientists knew at the time, which was that light was a wave. Even though light behaves in a common-sense wave-like way, these discoveries showed that it could also have other properties. Video Quotes1. "Beneath the complexities of everyday life the rules of our universe seem reassuringly simple" - Jim Al-Khalili Related Quotes"It's a weird thing, that, if you're a physicist, you have to accept: that you can't predict, with one hundred percent certainty, what's going to happen in the future." - Dr. Pam Burn, Lecturer in Physics at the University of Oxford "It's essentially a law of nature that you can't know both the exact position and momentum of a particle at the same time." - Dr. Antony Valentini, Lecturer in Physics at Imperial College London "Quantum mechanics is a strange theory, really, that allows us to understand the world on the very smallest scale." - Professor Brian Cox, Professor of Particle Physics at the University of Manchester. Competencies1. Information Literacy Learning Outcomes1. Remember: Identify the scientific principles behind the ultraviolet catastrophe and the photoelectric effect. Sample Answers1. I learned that a scientific revolution was sparked by the invention of the light bulb. The mystery of the relationship between the temperature of the filament and the color of light it produces led scientists like Max Planck to investigate further. 2. I learned about the 'ultraviolet catastrophe' and 'photoelectric effect', two strange phenomena which could not be explained using the wave theory of light that was accepted at the time. The ultraviolet catastrophe asked why light did not get any bluer, while the photoelectric effect asked why ultraviolet light was so much better at removing electrons than red light. 3. I learned that these anomalies led to the development of quantum mechanics, a theory which states that reality itself defies all common sense and that everything we thought we knew about the world might turn out to be completely wrong. Quantum mechanics explains these two anomalies and is now accepted as the most important theory in science. Jim Al-KhaliliJim Al-Khalili is a Professor of Theoretical Physics and Chair of Public Engagement in Science at the University of Surrey. He is also a best-selling author, TV and radio presenter, and public speaker. He has a PhD in theoretical nuclear physics from Surrey and is a Fellow of the Royal Society, the Institute of Physics, and the British Humanist Association. He is an expert on the Story Of Quantum Physics due to his extensive background in physics and his research in nuclear physics. He is also associated with the Royal Society, where he serves as a Fellow. Royal Society Learning DesignThe three competencies of Information Literacy, Critical Thinking, and Analytical Literacy are essential for learning about Cognition. Information Literacy is important for finding and evaluating reliable sources of information to form a well-rounded understanding of the subject. Critical Thinking allows for an in-depth analysis of concepts to draw meaningful conclusions. Analytical Literacy is necessary for the synthesis and application of knowledge in order to create new ideas and approaches. In order to help students build these competencies, the course should provide a framework that encourages active learning and application of knowledge. The flipped classroom model is a good example of an effective pedagogy that can be used to teach these competencies. In this model, students are expected to prepare for class by reading, researching, and analyzing concepts before class. This allows for more active participation during class time where students can work together to discuss, apply and develop their understanding of the material. Additionally, the framework should include activities that require students to use their Information Literacy, Critical Thinking, and Analytical Literacy in order to complete tasks. Examples of activities may include researching and creating an annotated bibliography, engaging in debate on key topics, and analyzing and synthesizing research to create a synthesis paper. Overall, the framework should provide opportunities for students to practice their knowledge and build their competencies through active learning. AssessmentQ: What is the name of the phenomenon that baffled scientists of the late 19th century, where light can knock out static electric charge from gold leaves? A. Wave Theory QuestionsCommon Hypothetical Questions: Real-Life Application Questions: KeywordsQuantum Mechanics, Photoelectric Effect, Ultraviolet Catastrophe Facts1. Max Planck and his colleagues at the Physical Technical Research Institute in Berlin discovered the relationship between the temperature of a light filament and the color of light it produces. Trends1. Create an interactive exhibit demonstrating the effects of the ultraviolet catastrophe and photoelectric effect. SourceThis learning instructional guidance was formulated using the GPT-3 language model created by OpenAI. ShareThe late 19th-century saw the birth of the most important theory in science—quantum mechanics. It began with the humble light bulb and the mystery of why its color changes as the filament gets hotter. #QuantumMechanics #Mystery #LightBulb 🤔🔦 @Accredicity |