Sign up for a CuriosityStream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: http://CuriosityStream.com/wendover Watch Extremities at null Buy a Wendover Productions t-shirt: https://standard.tv/collections/wendover-productions/products/wendover-productions-shirt Subscribe to Half as Interesting (The other channel from Wendover Productions): null Youtube: null Instagram: http://Instagram.com/sam.from.wendover Twitter: http://www.Twitter.com/WendoverPro Sponsorship Enquiries: wendover@standard.tv Other emails: sam@wendover.productions Reddit: http://Reddit.com/r/WendoverProductions Writing by Sam Denby Editing by Alexander Williard Animation by Josh Sherrington Sound by Graham Haerther Thumbnail by Simon Buckmaster [1] https://academo.org/demos/wavelength-to-colour-relationship/ [2] https://www.tutorialspoint.com/digital_communication/images/bspk_modulated_output_wave.jpg [3] https://www.youtube.com/watch?v=mfSWO3TpGq4 [4] https://wireless.fcc.gov/auctions/data/maps/CMA.pdf Select footage courtesy Getty and AP; Select imagery courtesy Geolayers; Select music courtesy Epidemic sound