Light

SciShow Tangents’ exploration of the electromagnetic spectrum continues with good old, dependable light! What is it? Where does it come from? Only Ceri knows (sort of)!Also, happy New Year to all of our amazing listeners! Thank you for your support over the last year, and here's to another year of laughing and learning with all of you!Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! If you want to learn more about any of our main topics, check out this episode's page at SciShowTangents.org![Truth or Fail]E. colihttps://arxiv.org/abs/1104.3113https://phys.org/news/2014-04-bacterial-fm-radio.htmlCactus Radiohttps://www.youtube.com/watch?v=I1shcxHWQasFrequency Combhttps://www.pnas.org/content/116/19/9181https://www.laserfocusworld.com/lasers-sources/article/14035201/frequency-combs-trick-a-laser-into-producingreceiving-an-rf-signal[Fact Off]Battle of the Beamshttps://www.bbc.co.uk/history/ww2peopleswar/stories/63/a3714563.shtmlhttps://www.nytimes.com/1997/12/19/us/r-v-jones-science-trickster-who-foiled-nazis-dies-at-86.htmlhttp://vc.airvectors.net/ttwiz_07.htmlRV Jones ObituaryW5LFLhttps://amsat-uk.org/2013/01/19/amateur-radio-on-bbc-between-the-ears-space-ham/#more-12135https://www.amsat.org/owen-k-garriott-w5lfl/[Ask the Science Couch]Analog radiohttps://public.wsu.edu/~bryan.mclaughlin/Radio/Who_Invented_Radio.htmlhttps://www.pbs.org/wgbh/aso/tryit/radio/radiorelayer.htmlhttps://www.reddit.com/r/explainlikeimfive/comments/4suas5/eli5_why_is_the_sound_quality_of_am_radio_so_much/Digital/HD radiohttps://www.fcc.gov/consumers/guides/digital-radiohttps://electronics.howstuffworks.com/hd-radio.htmhttps://hdradio.com/trademark/https://www.cnet.com/news/digital-radio-all-you-need-to-know/[Butt One More Thing]Pigeon poop / cosmic microwave backgroundhttps://www.smithsonianmag.com/smithsonian-institution/how-scientists-confirmed-big-bang-theory-owe-it-all-to-a-pigeon-trap-180949741/ Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.