Episode – 1121 : Space Elevators Podcast Transcript You’ve probably seen footage of a rocket launch. There is a bunch of smoke and fire as the rocket lifts off to […]
Episode – 1119 : Betamax vs. VHS
Episode – 1119 : Betamax vs. VHS Podcast Transcript In the late 1970s and early 1980s, a war erupted in the world of video technology.Two competing video tape formats fought […]
Episode – 1104 : Titanium
Episode – 1104 : Titanium Podcast Transcript Titanium is the ninth most abundant element in the Earth’s crust. However, titanium is not even remotely close to the ninth most common […]
Episode – 1083 : The Large Hadron Collider
Episode – 1083 : The Large Hadron Collider Podcast Transcript Straddling the border of Switzerland and France is the largest scientific instrument ever created. It sits in a tunnel 27 […]
Episode – 1072 : Iron
Episode – 1072 : Iron Podcast Transcript Located at the 26th place on the periodic table is the element iron. Iron is one of the most important elements in the […]
Episode – 1062 : Questions & Answers: Volume 7
Episode – 1062 : Questions & Answers: Volume 7 Podcast Transcript In June of every year, the sun has its solstice. In the north, the days are long; in the […]
Episode – 1045 : The Most Dangerous Substances in the World
Episode – 1045 : The Most Dangerous Substances in the World Podcast Transcript There are a great many chemicals that are dangerous to work with. Things that you wouldn’t want […]
Episode – 1041 : Thorium
Episode – 1041 : Thorium Podcast Transcript Located in the 90th place on the periodic table is the element Thorium. Thorium, as with every element, has unique properties, making it […]
Episode – 1036 : The International Space Station
Episode – 1036 : The International Space Station Podcast Transcript Even before humans first went into orbit, there had been dreams of establishing a permanent presence in space. For almost […]
Episode – 1009 : Fingerprints
Episode – 1009 : Fingerprints Podcast Transcript Located on the tips of our fingers are features known as friction ridges. We evolved them to get a better grip on objects. […]
Episode – 0982 : RADAR
Episode – 0982 : RADAR Podcast Transcript In 1887, the German physicist Heinrich Hertz discovered radio waves. While the first practical use of this discovery was communication, there were also […]
Episode – 0979 : The Panama Canal
Episode – 0979 : The Panama Canal Podcast Transcript Every since the lands of the New World were mapped, people dreamt of creating a canal through Central America to connect […]
Episode – 0978 : Paper
Episode – 0978 : Paper Podcast Transcript There are four things that are considered to be the Great Inventions of Ancient China: gunpowder, the compass, the printing press, and paper. […]
Episode – 0967 : Perpetual Motion
Episode – 0967 : Perpetual Motion Podcast Transcript Imagine a device that could supply an unlimited amount of energy. It would solve many of the world’s problems in one fell […]
Episode – 0964 : Nanotechnology
Episode – 0964 : Nanotechnology Podcast Transcript In Greek, the word for dwarf is “nanos.” The International Bureau of Weights and Measures adopted the prefix ‘nano’ to mean one billionth. […]
Episode – 0957 : Artificial Sweeteners
Episode – 0957 : Artificial Sweeteners Podcast Transcript In 1879, Constantin Fahlberg, a chemist at Johns Hopkins University, made an astonishing discovery. He was conducting experiments with coal tar when […]
Episode – 0947 : Spruce Goose
Episode – 0947 : Spruce Goose Podcast Transcript During the height of the Second World War, American shipping to Europe was constantly being attacked by German U-boats. In an attempt […]
Episode – 0939 : The Invention of the Airplane
Episode – 0939 : The Invention of the Airplane Podcast Transcript Humans have probably had the desire to fly ever since they saw the first bird fly in the air. […]
Episode – 0930 : The Speed of Light
Episode – 0930 : The Speed of Light Podcast Transcript There is nothing faster in the entire universe than the speed of light. Not only is light the fastest thing, […]
Episode – 0915 : Carbon: Can’t Live Without It
Episode – 0915 : Carbon: Can’t Live Without It Podcast Transcript Every form of life which has ever been discovered, regardless of its size or how it metabolizes energy, has […]