Transcript Thomas Edison is often credited with the invention of the light bulb. Yet, nothing could be further from the truth. If there is any modern invention that really can’t be attributed to a single person, it would be the incandescent lightbulb. Learn about the history behind the incandescent light bulb, perhaps the most significant …
Transcript Eliud Kipchoge is unquestionably the greatest marathon runner in history. He’s won an Olympic Gold Medal, holds the world’s record, and has won 12 of the 13 marathons he has ever entered. However, there was one accomplishment that had been out of reach for Kipchoge and every other marathoner: The 2-hour marathon. On October …
Transcript Today the world can communicate with text, images, audio, and video at the speed of light. Most of this is done via undersea fiber optic cables which connect the various continents to each other. All of this modern long-distance communication has its start with the first transatlantic telegraph cable. The first long-distance submarine communications …
Transcript Many people think that politics and elections in the United States are the most controversial they have ever been. History, however, begs to differ. Perhaps the oddest and most controversial presidential election in American history was the election of 1824. It is an election that doesn’t get a lot of attention given who won …
Transcript People didn’t travel much in the ancient world. But for those who did, they developed the ancient equivalent of guidebooks. These were often lists of manmade sites and attractions that any traveler should take the time to see. Over time, one such Greek list was written down, and it became known to us as …
Transcript The Roman Catholic Papacy is one of the oldest institutions in the world, second only to the Chrysanthemum Throne in Japan. Since its inception, there have been 266 popes, and a couple of anti-popes as well. The pope is not only the head of a religion but also the leader of a sovereign, albeit …
Transcript Here is a question you’ve probably never bothered to think about before….What is the oldest man made object orbiting the earth? Which, if any, of the really early satellites are still whizzing around up in space? It turns out, the fourth satellite ever put in orbit is still there, 62 years after it was …
Transcript Our ability to measure time is one of the fundamental things which makes us human. We’ve gone from very crude and inexact measures of time to time measurements which are so accurate that it would take billions of years to lose a single second. This increased accuracy has allowed us to navigate the seas, …
Transcript Pandemics can be world-changing events. The aftermath of a pandemic can shape societies and topple empires. Whether it’s the flu, smallpox, cholera, or the bubonic plague, these pandemics have killed more people than all the wars in human history. However, pandemics weren’t always a part of humanity. There was a first pandemic that caught …