How Microwaving Grapes Makes Plasma

How Microwaving Grapes Makes Plasma

Assessment

Interactive Video

Science

10th Grade - University

Hard

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FREE Resource

The video explores the phenomenon of creating plasma by microwaving grapes, a concept initially demonstrated in a previous video. Recent scientific research has provided a detailed explanation of this effect, revealing that microwaves become trapped inside the grape due to its high refractive index, forming resonance modes. This leads to heating from the inside out and, when two grapes are in contact, creates strong electromagnetic fields that ionize the air, forming plasma. The video also discusses potential applications in microchip lithography, highlighting the ability to focus electromagnetic energy to a tiny spot.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it not necessary to cut the grapes in half to observe the plasma effect?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the implications of this research on future applications in microchips.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the potential benefits of harnessing the phenomenon observed with microwaved grapes for lithography?

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