The Electromagnetic Spectrum

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 light, radio waves, microwaves, x-rays, or ultraviolet rays.  Fundamentally, they are all variations of the same phenomenon and are all part of the electromagnetic spectrum.  Learn more about the electromagnetic spectrum and …

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The League of Nations

The League of Nations

Podcast Transcript The first world war was the most horrific war the world had ever seen at that time. When the conflict ended, there was an effort to make sure that such a thing never happened again.  To that end, a deliberative body was created where nations could come together to debate and discuss matters …

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The Kidnapping of Charley Ross

The Kidnapping of Charley Ross

Podcast Transcript Most children growing up are admonished not to take candy from strangers.  It is good advice, but it isn’t advice that comes from nowhere. It comes from a particular incident 150 years ago that shocked the world and changed how we view children’s safety. It was an event, the echos of which can …

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Trial By Combat

Trial By Combat

Podcast Transcript In the TV series Game of Thrones, there were four different seasons where disputes were determined with trial by combat.  As fictional as the Game of Thrones universe is, the idea of resolving legal disputes by fighting, sometimes to the death, was historically accurate.  For centuries, trial by combat was a legitimate option …

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The Rise and Fall of Department Stores

The Rise and Fall of Department Stores

Podcast Transcript For most of human history, if you wanted something, you had to make it yourself or know the person who made it.  Eventually, merchants began to sell goods in a single store to make it convenient for consumers.  These stores reached their zenith with enormous structures which sold almost everything. They were not …

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All About Airport Codes

All About Airport Codes

Transcript If you’ve done your share of flying, you are probably familiar with the three-letter airport codes which identify every commercial airport in the world.  Airports like DFW, LGA, and HOU are easy to figure out. However, why is there an X in LAX? How did Washington Dulles wind up with IAD? And what is …

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The History of Barbed Wire

The History of Barbed Wire

Podcast Transcript When Abraham Lincoln signed the Homestead Act of 1862, there was a rush of people who moved west to claim the free land that was offered.  However, there was a problem. Creating physical divisions for plots of land on the prairie was difficult when there was no stone or wood.  Eventually, there was …

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Broken Arrows: When Nuclear Weapons Go Wrong

Broken Arrows: When Nuclear Weapons Go Wrong

Podcast Transcript Nuclear weapons are the most devastating things humans have ever created. They are so powerful and terrible that nations that have them strictly control how they are used and handled.  That being said, over the 75-year history that nuclear weapons have existed, accidents have happened.  While not common, they have happened enough that …

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Why Does a Week Have Seven Days?

Why Does a Week Have Seven Days?

Podcast Transcript Most of our major divisions of time are based on some sort of natural event.  A year is one orbit of the Earth around the sun. A month is one orbit of the Moon around the Earth. A day is one rotation of the Earth about its axis.  However, one of the most …

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