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LEDs: Light Emitting Diodes
Episode 1283
One of the most important inventions in human history was artificial lighting.
With the electric lightbulb, the night could be illuminated, allowing p…
2 years, 3 months ago
The Maginot Line
Episode 1282
After the First World War in France, many generals thought that the end of the war was really just a pause before another war began. They wanted to m…
2 years, 3 months ago
Everything You Need to Know About Petroleum (Encore)
Episode 1281
Thousands of years ago, humans discovered a black-yellowish liquid that come out from the ground and could burn when it was set on fire.
Today, the f…
2 years, 3 months ago
Trial By Combat (Encore)
Episode 1280
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 …
2 years, 3 months ago
Questions and Answers: Volume 14
Episode 1279
The month of January was named after the Roman god Janus who had two faces, one on each side of his head.
Janus was the god of waging war and making …
2 years, 3 months ago
An Introduction to the Philippines
Episode 1278
Located off the coast of Southeast Asia lies an archipelago of 7,641 islands that constitute the nation of the Philippines.
The Philippines is one of…
2 years, 4 months ago
The Legend of Babe Ruth
Episode 1277
In 1941, a minor league baseball team in Baltimore, Maryland, signed a young player from the St. Mary's Industrial School for Boys—a school for delin…
2 years, 4 months ago
The Hindenburg Disaster (Encore)
Episode 1276
In the 1920s and 1930s, one of the most cutting-edge and exciting forms of transportation was the zeppelin.
Germany’s Luftschiffbau Zeppelin Company …
2 years, 4 months ago
e: Euler's Number
Episode 1275
There are an infinite number of numbers, but some numbers are more important than others.
One number, which might just be the most important number, …
2 years, 4 months ago
Spirits and Liqueurs
Episode 1274
Thousands of years ago, the first humans accidentally created the first beer and wine. This occurred naturally when yeast in the air converted sugars…
2 years, 4 months ago