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. We're conducting a survey of our viewers! If you have time, please give us feedback: www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: wonders.physics.wisc.edu/measure-the-speed-of-light/ van.physics.illinois.edu/qa/listing.php?id=819 www.livescience.com/50678-visible-light.html www.wolframalpha.com/input/?i=(5*10%5E14+hertz)%2F(2450+megahertz) revisionworld.com/gcse-revision/physics/electromagnetic-radiation/radio-waves-microwaves www.schoolphysics.co.uk/age16-19/Wave%20properties/Wave%20properties/text/Microwave_ovens/index.html geekswipe.net/science/physics/why-does-microwaving-a-grape-produce-plasma/ www.digikey.com/en/articles/techzone/2017/apr/understanding-antenna-specifications-and-operation searchmobilecomputing.techtarget.com/definition/dipole-antenna www.npr.org/templates/story/story.php?storyId=107010828 Images: commons.wikimedia.org/wiki/File:Starsinthesky.jpg commons.wikimedia.org/wiki/File:Consumer_Reports_-_Kenmore_microwave_oven.tif www.youtube.com/watch?v=hSDpuFgahKY en.wikipedia.org/wiki/File:Dipole_antenna_standing_waves_animation_461x217x150ms.gif