Episode – 1920 : The Gateway Arch Podcast Transcript In the midst of the Great Depression, the City of St. Louis wanted to create a monument to the city’s role […]
Episode – 1918 : Top-Level Domain Names
Episode – 1918 : Top-Level Domain Names Podcast Transcript Every day, everyone who uses the internet uses the Domain Name System. The key to the domain name system lies in […]
Episode – 1911 : Cannons and Artillery
Episode – 1911 : Cannons and Artillery podcast Transcript Over the last several centuries, one of the weapons that has defined warfare has been artillery. It was used in the […]
Episode – 1908 : A History of Soap and Detergent
Episode – 1908 : A History of Soap and Detergent Podcast Transcript Sometime in the last 24 hours, most of you have used soap or detergent, either directly or indirectly. […]
Episode – 1897 : Star Wars
Episode – 1897 : Star Wars Podcast Transcript A long time ago in a city far, far away…. A young director with several films under his belt had an idea […]
Episode – 1894 : The Never Ending Voyager Missions
Episode – 1894 : The Never Ending Voyager Missions Podcast Transcript In 1977, NASA took advantage of a once-in-a-lifetime alignment of the planets to send two probes to the outermost […]
Episode – 1893 : Leonardo da Vinci
Episode – 1893 : Leonardo da Vinci Podcast Transcript On April 15, 1452, a child was born in the village of Vinci, which was then part of the Republic of […]
Episode – 1884 : Energy, Work, and Power
Episode – 1884 : Energy, Work, and Power Podcast Transcript Everything we know in the world is ultimately dependent on energy. Energy fuels our bodies as well as our civilization. […]
Episode – 1883 : Questions and Answers: Volume 34
Episode – 1883 : Questions and Answers: Volume 34 Podcast Transcript September is upon us. It means going back to school and the autumnal equinox. The days get shorter in […]
Episode – 1879 : Starlite: The Miracle That Never Was
Episode – 1879 : Starlite: The Miracle That Never Was Podcast Transcript In the 1980s, an Englishman named Maurice Ward developed a material that he claimed could withstand temperatures of […]
Episode – 1878 : The Unabomber
Episode – 1878 : The Unabomber Podcast Transcript Starting in the late 1970s and lasting for seventeen years, a series of bombings terrorized the American public. Primarily targeting technology companies […]
Episode – 1870 : Nuclear Power
Episode – 1870 : Nuclear Power Podcast Transcript One of the most important and least understood sources of energy in the world today is nuclear power. Nuclear power has an […]
Episode – 1865 : Frequent Flyer Programs
Episode – 1865 : Frequent Flyer Programs Podcast Transcript One of the things that almost every airline has in common is a frequent flyer program. Frequent flyer programs were initially […]
Episode – 1863 : Amateur Radio
Episode – 1863 : Amateur Radio Podcast Transcript The early days of radio were like the wild west. There were no rules, and that lack of rules often led to […]
Episode – 1856 : The History of Cookbooks
Episode – 1856 : The History of Cookbooks Podcast Transcript Today, cookbooks are ubiquitous. Go to any bookstore and you can find dozens, if not hundreds, of different cookbooks. Search […]
Episode – 1851 : Canned Food
Episode – 1851 : Canned Food Podcast Transcript For thousands of years, food preservation was a significant challenge for humanity. Even if you were successful in hunting or gathering food, […]
Episode – 1850 : The Year 1850
Episode – 1850 : The Year 1850 Podcast Transcript The year 1850 was the mid-point of the 19th century, one of the most transformative centuries in human history. The first […]
Episode – 1828 : Transistors
Episode – 1828 : Transistors Podcast Transcript One of the most important inventions of the 20th century was the transistor. Prior to the transistor, electronic devices were bulky and dependent […]
Episode – 1817 : Undersea Fiber Optic Cables
Episode – 1817 : Undersea Fiber Optic Cables Podcast Transcript For many of you listening to the sound of my voice right now, the audio originated from a digital file […]
Episode – 1807 : Desalination
Episode – 1807 : Desalination Podcast Transcript Seventy percent of the Earth’s surface is covered with water… and the vast majority of it is useless for consumption or agriculture. This […]