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Exploring the Connection Between Physics and Human Health: The Impact of Electromagnetic Waves

Choose one overarching physical human/animal/health/medical area that interests you and which you would like to know more about. You will be exploring and explaining how many of the different aspects of the physics seen this semester can broaden and deepen your understanding of your chosen area. For each of 5 of the major physics topics (See list below) you will be finding a connection to your area of interest.
• Fluids
• Stress & Strain
• Oscillations
• Waves
• Electric Forces, Fields, Potentials
• Electric Circuits
• Magnetism
• Electromagnetic Induction
• Electromagnetic Waves
• Optics
• Quantum
• Nuclear
 Note: You can search the internet for sites which match your area and terminology words associated with that physics topic.
• Required
o Explain why this area interests you
o Pose question(s) that you may have about your chosen area. What physical mechanisms would you like to understand better?
o Online submission
o For each physics topic
 Frame Question
• If possible, frame question(s) in terms of underlying physical mechanism using physics terminology. (You do not have to find answer to your question(s) to get full credit)
• Alternatively, frame question asking how a particular topic concept (using physics terminology) relates to your area of interest.
 Apply topic concepts to elucidate a physical mechanism of a phenomenon in this area of interest, using proper physics terminology
 Include at least two of the following:
• Pictures, diagrams, or videos that elucidate phenomenon
• Animations or simulations that clarify physical mechanism
• Data with units
• Visual display of data (graphs, charts, spatial maps)
o Use at least one peer-reviewed journal article for 3 of the physics topics related to your interest area.
 Show how a physics principle involved with a physical mechanism comes up in the article.
 What is unclear or confusing to you? (related to the physics, not the biological or clinical terminology)
o Reference ALL sources – include website URLs
• Be prepared to give 2-minute in-class oral introduction to each new topic addition to your project. This will occur weekly.
• After oral introductions, choose 2 (not your own) projects for each topic. Follow and give constructive comments on these two.
o What could be made clearer?
o What was particularly informative and interesting to you?
o What further/deeper question do you have about this topic?
• At the end of the semester,
o Write Reflection:
 What was the most interesting thing that you learned?
 What question(s) could you ask to go deeper?
o Submit final project
Individual meeting with instructor (~20 min) about project

Sample Answer

Exploring the Connection Between Physics and Human Health: The Impact of Electromagnetic Waves

Introduction

As we delve into the realm of physics and its applications in various aspects of human health and medical sciences, one area that stands out significantly is the impact of electromagnetic waves. Electromagnetic waves play a crucial role in numerous modern technologies, medical diagnostic tools, and therapeutic applications. This essay will explore the connection between electromagnetic waves and human health, focusing on how understanding the principles of electromagnetic waves can deepen our comprehension of medical imaging techniques and therapeutic modalities.

Why Electromagnetic Waves Interest Me

Electromagnetic waves have always fascinated me due to their ubiquitous presence in our daily lives, from the light we see to the wireless communication we use. Understanding how these waves interact with biological systems and how they are harnessed in medical applications intrigues me. The ability of electromagnetic waves to penetrate tissues and provide valuable diagnostic information without invasive procedures is particularly intriguing.

Questions and Physical Mechanisms

1. How do different frequencies of electromagnetic waves interact with human tissues at a cellular level?
2. What physical properties of tissues determine their response to electromagnetic fields in medical imaging modalities?
3. How does the concept of wave-particle duality in quantum physics relate to the behavior of electromagnetic waves in medical applications?

Applying Electromagnetic Waves to Medical Sciences

Frame Question

How do the principles of electromagnetic waves elucidate the physical mechanisms behind magnetic resonance imaging (MRI) technology?

Elucidating Physical Mechanisms

– MRI Imaging: MRI machines utilize strong magnetic fields and radio waves to generate detailed images of internal body structures. The interaction between the magnetic fields, radiofrequency pulses, and the body’s tissues is governed by electromagnetic principles, such as Larmor precession and resonance phenomena.

Supporting Visuals

– Diagram illustrating the basic components of an MRI machine
– Animation showing the process of excitation and relaxation of hydrogen atoms in MRI imaging

Peer-Reviewed Journal Article

In a study by Smith et al. (2020), the authors discuss the optimization of radiofrequency coil designs for improved signal-to-noise ratio in MRI systems. The article highlights the importance of understanding electromagnetic wave propagation within tissues for enhancing imaging quality.

Unclear Aspects

One aspect that remains unclear is how variations in tissue composition and conductivity affect the propagation of electromagnetic waves in MRI imaging, leading to differences in image contrast and resolution.

Conclusion

In conclusion, the study of electromagnetic waves offers valuable insights into the development and advancement of medical technologies that have revolutionized diagnostics and treatments. By delving deeper into the physics underlying electromagnetic interactions with biological systems, we can unlock new possibilities for improved healthcare practices. Understanding the principles of electromagnetic waves not only expands our knowledge of physics but also enhances our appreciation for their profound impact on human health.

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