Episode – 0864 : Leap Seconds Podcast Transcript Every few years, without any regular schedule or planning, officials at the International Earth Rotation and Reference Systems Service will add an […]
Episode – 0859 : Why Is the Sky Blue?
Episode – 0859 : Why Is the Sky Blue? Podcast Transcript Children are highly inquisitive and are always asking questions. One of the most common questions that children have is, […]
Episode – 0842 : The History of Recorded Sound
Episode – 0842 : The History of Recorded Sound Podcast Transcript One of the landmark inventions in human history was the ability to record sound. This technology allowed music to […]
Episode – 0838 : Wind Power
Episode – 0838 : Wind Power Podcast Transcript For thousands of years, humans have been using the power of the wind to do useful work. At first, the wind was […]
Episode – 0833 : SETI: The Search for Extraterrestrial Intelligence
Episode – 0833 : SETI: The Search for Extraterrestrial Intelligence Podcast Transcript For thousands of years, humans have looked up at the night sky and wondered, “are we alone?” For […]
Episode – 0832 : The Broad Street Cholera Outbreak
Episode – 0832 : The Broad Street Cholera Outbreak Podcast Transcript In 1854 an unusually severe outbreak of cholera occurred in London. While cholera was not an uncommon disease, physicians […]
Episode – 0830 : High Fructose Corn Syrup
Episode – 0830 : High Fructose Corn Syrup Podcast Transcript In 1957, two chemists at the Clinton Corn Processing Company of Clinton, Iowa, developed a system for converting the glucose […]
Episode – 0827 : The Electromagnetic Spectrum
Episode – 0827 : The Electromagnetic Spectrum Podcast Transcript All around you, right this second, you are surrounded by electromagnetic radiation. You might better know this by names such as […]
Episode – 0818 : Hurricanes and Typhoons
Episode – 0818 : Hurricanes and Typhoons Podcast Transcript Every year parts of the planet are hit by devastating typhoons and hurricanes. They can cause billions of dollars of damage […]
Episode – 0815 : Ada Lovelace: The World’s First Computer Programmer
Episode – 0815 : Ada Lovelace: The World’s First Computer Programmer Podcast Transcript Born in 1815, Ada Byron was the only legitimate child of the famous poet Lord Byron. Unlike […]
Episode – 0801 : The Wonderful World of Tin
Episode – 0801 : The Wonderful World of Tin Podcast Transcript In the ancient world, only seven metals were identified and named: gold, silver, iron, lead, copper, mercury, and tin. […]
Episode – 0798 : The Telemark Raids
Episode – 0798 : The Telemark Raids Podcast Transcript During World War II, one of the biggest concerns of the Allies was the development of a German atomic bomb. As […]
Episode – 0790 : All About LASERS
Episode – 0790 : All About LASERS Podcast Transcript In 1917, Albert Einstein published a paper whereby he proposed a new method of creating light based on the principles of […]
Episode – 0770 : The History of NASA
Episode – 0770 : The History of NASA Podcast Transcript In 1958 the United States government created the National Aeronautics and Space Administration or NASA. NASA has achieved some of […]
Episode – 0768 : Innumeracy
Episode – 0768 : Innumeracy Podcast Transcript Over the last several centuries, there has been a concerted effort to raise literacy rates around the world. For the most part, although […]
Episode – 0767 : Lithium
Episode – 0767 : Lithium Podcast Transcript With an atomic number of three, Lithium is the third lightest element on the periodic table and the lightest solid at room temperature […]
Episode – 0761 : Everything Is Made of Atoms
Episode – 0761 : Everything Is Made of Atoms Podcast Transcript The Great Nobel Prize winning physicist Richard Feynman was once asked to convey, in a single sentence, the most […]
Episode – 0753 : The Planet Saturn
Episode – 0753 : The Planet Saturn Podcast Transcript Ancient astronomers from almost every culture knew of seven things in the sky that moved. the Sun, the Moon, Mercury, Venus, […]
Episode – 0749 : Communications Satellites
Episode – 0749 : Communications Satellites Podcast Transcript Once humans managed to put artificial satellites into orbit, the next question was, “what can we do with this?” One of the […]
Episode – 0747 : The Boeing 747
Episode – 0747 : The Boeing 747 Podcast Transcript Introduced in 1968, the Boeing 747 totally revolutionized commercial air transportation. It was more than twice the size of the next […]