Episode – 1293 : The History of Lead Podcast Transcript Sometime around eight to nine thousand years ago, ancient people in Asia Minor found a very dull grey metal that […]
Episode – 1286 : Alternative Forms of Space Flight
Episode – 1286 : Alternative Forms of Space Flight Podcast Transcript Every single rocket that has ever been launched into space has been a rocket that burned some sort of […]
Episode – 1285 : Human Life Expectancy
Episode – 1285 : Human Life Expectancy Podcast Transcript Everyone, I have some good news and some bad news. The bad news is that you, me, and everyone else listening […]
Episode – 1283 : LEDs: Light Emitting Diodes
Episode – 1283 : LEDs: Light Emitting Diodes Podcast Transcript One of the most important inventions in human history was artificial lighting.With the electric lightbulb, the night could be illuminated, […]
Episode – 1279 : Questions and Answers: Volume 14
Episode – 1279 : Questions and Answers: Volume 14 Podcast Transcript The month of January was named after the Roman god Janus who had two faces, one on each side […]
Episode – 1275 : e: Euler’s Number
Episode – 1275 : e: Euler’s Number Podcast Transcript There are an infinite number of numbers, but some numbers are more important than others. One number, which might just be […]
Episode – 1273 : Salt
Episode – 1273 : Salt Podcast Transcript One of the most important substances throughout world history has been salt. Salt might seem mundane, but it is actually necessary for the […]
Episode – 1266 : Apollo 8
Episode – 1266 : Apollo 8 Podcast Transcript On December 21, 1968, a Saturn V rocket was launched from Florida that did something that had never been done before. It […]
Episode – 1264 : Snow
Episode – 1264 : Snow Podcast Transcript If you live anywhere away from tropical latitudes, you might have experienced snow. In fact, depending on where you live, you might have […]
Episode – 1263 : Non-Euclidean Geometry
Episode – 1263 : Non-Euclidean Geometry Podcast Transcript If anyone has taken some basic mathematics, you are probably familiar with Euclidian Geometry. Euclidean geometry is what most people just call […]
Episode – 1256 : Copper
Episode – 1256 : Copper Podcast Transcript When humans first learned how to work with metal, the very first metal they used was copper. Copper was easy to shape, easy […]
Episode – 1246 : The History of Farming
Episode – 1246 : The History of Farming Podcast Transcript Over 10,000 years ago, humans began to cultivate and raise crops. Back then, a single farm could maybe grow enough […]
Episode – 1241 : Uranus
Episode – 1241 : Uranus Podcast Transcript Located approximately 1.8 billion miles or 2.9 billion kilometers from the sun, 19 times the distance from the Earth to the sun, is […]
Episode – 1240 : Ocean Currents
Episode – 1240 : Ocean Currents Podcast Transcript The surface of the Earth is 70 percent water. If you just looked at a map and saw a sea of blue, […]
Episode – 1231 : The Element Mercury
Episode – 1231 : The Element Mercury Podcast Transcript Since the dawn of human history, humans have been aware of a seemingly miraculous substance. It was a substance that had […]
Episode – 1228 : Parachutes
Episode – 1228 : Parachutes Podcast Transcript Centuries ago, someone decided jumping from a great height and trying to land without being injured would be a good idea. …and in […]
Episode – 1224 : Eponymous Laws: Part 2
Episode – 1224 : Eponymous Laws: Part 2 Podcast Transcript In a previous episode, I went through a list of eponymous laws. These were laws, general rules, or sometimes even […]
Episode – 1223 : The OMG! Particle
Episode – 1223 : The OMG! Particle Podcast Transcript On October 15, 1991, a cosmic ray detector in Utah observed something that had never been seen before or since. It […]
Episode – 1215 : All About the Sun
Episode – 1215 : All About the Sun Podcast Transcript Approximately 93 million miles or 150 million kilometers from Earth lies our nearest star, the Sun. The Sun is responsible […]
Episode – 1209 : What is Calculus?
Episode – 1209 : What is Calculus? Podcast Transcript As early as 2400 years ago, Greek philosophers were coming up with paradoxes that seemingly had no solution. Early mathematicians came […]