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How Microwaving Grapes Makes Plasma | Amazing Science Toys/gadgets 2 - At Up-Tube.com

How Microwaving Grapes Makes Plasma Amazing Science Toys/Gadgets 2 5 months ago   08:16

Veritasium
A bisected grape in the microwave makes plasma. But how does it work? A grape is the right size and refractive index to trap microwaves inside it. When you place two (or two halves) close together the fields interact with each other creating a maximum of electromagnetic energy where they touch. This creates heating, sparks, and plasma, which is further fed with energy directly by the microwaves.

Huge thanks to Hamza Khattak, Prof. Pablo Bianucci and Prof. Aaron Slepkov (unavailable for the call) for chatting to me and helping me understand the physics of this cool phenomenon.

Linking plasma formation in grapes to microwave resonances of aqueous dimers
https://www.pnas.org/cgi/doi/10.1073/pnas.1818350116

Special thanks to Patreon supporters:
Donal Botkin, James M Nicholson, Michael Krugman, Nathan Hansen, Ron Neal, Stan Presolski, Terrance Shepherd

Thanks also to Steve Bosi, my original plasma collaborator.

Animations by Alan Chamberlain

Music from http://epidemicsound.com "Seaweed"

Comments 7362 Comments

Veritasium
If you need help with some of the audio, turn on captions!
James Pedid
TWO POINT FOURTY FIVE JIGGAHERTZ!
pickle pile
Does this mean if you coat something in inverted grape skin, it won’t microwave? Since it reflects the microwaves with the inside.
yttrium
Could this be used to generate electricity?
No, probably not. I have no idea what I'm talking about. I haven't studied any of this, it just sounded like a cool idea.
Jose Lopez
I was expecting you putting a pair of grapes in the microwave for about thirty seconds, not a whole teaching sequence that your teacher would put on when they're too lazy to teach. Plus why the hell was this on my recommendations? I don't recall watching anything about nerd science in the past few years.
xamanto
NEATO
Alonso V
i thought beethoven was dead
David Eastham
So, this may explain why sometimes when I put small popcorn chicken nuggets in the microwave, where they were touching, they are burnt......hmmmm Plasma Chicken anyone ??
Vikotnick
Can I just make an observation that the wavelength is not that long. You're talking about Hz here, not GHz. Maybe I missed something or didn't understand properly?
Kristofer Laymon
Dude it is 2019 why did you use Skype instead of Discord
electric lemons17
Trent university is from my home town Peterborough Ontario that’s really cool
Rohit Khandare
You have worked a lot for this video. Really appreciate your efforts.
Leo Sal
What could this plasma be used for? I don't plan on using it but I am just curious.
Troubled INTJ
My question is, can my microwave take this?
Troubled INTJ
5:50 "wow, who needs drugs"
トキ
Are these professors video chat with calculators?
HGS_ insanityhog
I put the grapes in my microwave and it just blew thr house up
HA*KS Bi VSB
How does the microwaves get the grape hot from the centre n not start from the outerside. You said that the waves get trapped in the grape but then also the outer layer should start getting heated first and then should move to the centre, isn't it?
Kevin hernandez
I did it wrong I made nether portal
Hidden Bus
I hope she knows what orbes are
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Amazing Science Toys/Gadgets 2 How Microwaving Grapes Makes Plasma 5 months ago   10:19

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