You’ve probably seen the videos on YouTube turning grapes into fireballs in the microwave. Well, there’s a pretty cool scientific explanation for why a grape is perfect for making plasma.

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Sources:

https://wonders.physics.wisc.edu/measure-the-speed-of-light/
https://van.physics.illinois.edu/qa/listing.php?id=819
https://www.livescience.com/50678-visible-light.html
http://www.wolframalpha.com/input/?i=(5*10%5E14+hertz)%2F(2450+megahertz)
https://revisionworld.com/gcse-revision/physics/electromagnetic-radiation/radio-waves-microwaves
http://www.schoolphysics.co.uk/age16-19/Wave%20properties/Wave%20properties/text/Microwave_ovens/index.html
https://geekswipe.net/science/physics/why-does-microwaving-a-grape-produce-plasma/
https://www.digikey.com/en/articles/techzone/2017/apr/understanding-antenna-specifications-and-operation
http://searchmobilecomputing.techtarget.com/definition/dipole-antenna
http://www.npr.org/templates/story/story.php?storyId=107010828

Images:

https://commons.wikimedia.org/wiki/File:Starsinthesky.jpg
https://commons.wikimedia.org/wiki/File:Consumer_Reports_-_Kenmore_microwave_oven.tif
https://www.youtube.com/watch?v=hSDpuFgahKY
https://en.wikipedia.org/wiki/File:Dipole_antenna_standing_waves_animation_461x217x150ms.gif