{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/621cc5a140c0770013581ceb/650d9572fb76aa0011fe2ae2?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"First Ever Submarine","description":"<p>400 years ago on the River Thames a mad genius showed off the world's first submarine. A crowd of thousands including King James watched as Cornelis Drebbel disappeared beneath the murky water, only reemerging after three whole hours had passed.</p><p><br></p><p>The same genius also came up with perpetual motion machines, self-regulating ovens, chemical air conditioning for Westminster Cathedral, and a project to provide central heating for all of London by building a perpetual fire on a hill outside the city, transporting the flames in pipes to people's houses.</p><p><br></p><p>Elon Musk eat your heart out.</p><p><br></p><p>Dallas's guest today is the amazing Vera Keller, historian of technology and author of a new book \"The Interlopers: Early Stuart Projects and the Undisciplining of Knowledge\"</p><p><br></p><p>Edited by Tom Delargy, Produced by Freddy Chick, Senior Producer is Charlotte Long</p><p><br></p><p>Get 50% off your first 3 months with code<a href=\"http://access.historyhit.com/checkout?code=patented&amp;plan=monthly\" rel=\"noopener noreferrer\" target=\"_blank\"><u> PATENTED</u></a>. Download the app on your smart TV or in the app store or sign up at <a href=\"http://historyhit.com/subscribe\" rel=\"noopener noreferrer\" target=\"_blank\"><u>historyhit.com/subscribe</u></a></p>","author_name":"History Hit"}