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Unveiling Microwave Absorption: From Experiments to Insights

Explore the absorption of various substances in microwaves, understand the electromagnetic interactions, dipole moments, and rotational freedom affecting absorption. Discover what works and non-absorbent materials. Delve from kitchen experiments to scientific applications. Learn why metals, wood, and plastics don't work, while water and strong dipole substances do. Uncover the mysteries of electromagnetic interactions and rotational freedom in the absorption of different materials. Gain insights into the fascinating world of microwave absorption and its applications.

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Unveiling Microwave Absorption: From Experiments to Insights

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  1. Introduction: You’re Gonna Do What with my Microwave?!? • Test the microwave absorption of various substances • Offer an Explanation • Look at Other Cool Things that Could Be Done Waylon Flinn, Spring 2001

  2. Microwaves: from the Kitchen to the Laboratory • Things that Don’t Work • Metal • Wood • Plastic • Things that Do • Water

  3. _ + _ + So What’s Going On • Electromagnetic Interaction: The Dipole Moment • Electrical Interaction and Rotational Freedom

  4. Medium Further Investigation • Strong Dipoles in the Liquid phase • Water - 1.87 • Methanol - 1.7 • Ethanol - 1.69 • Acetone - 2.88 (Numbers given are dipole moments)

  5. Medium Water Non-absorption: Hey, is this Thing Broken or What? • The Aforementioned: Non-Dipoles, Metals and Complex Structures • Metal • Wood • Plastic • Other Stuff • Ice • Polyurethane

  6. Conclusion: Don’t Try This at Home. • The Key is a Good Apparatus • I wish I had one • Electrical Properties + Rotation/Deformation + ? + … = Absorption • Still some cool things to try

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