The Lighthouse of Alexandria (Encore)
When Alexander the Great died, one of his generals and best friends, Ptolemy, took Alexander’s corpse and went to Egypt to establish a new Pharaonic dynasty. One of the things he did during his reign ...
22 Elo 202413min
Supercomputers and the Evolution of Computing Power
If you’ve been around long enough, and by that, I only mean a couple of years, you have probably observed the one fundamental truth about computers: they always get faster. While games and web browni...
21 Elo 202416min
Dr. Sun Yat-sen (Encore)
For over two thousand years, China lived under imperial rule. A series of dynasties and emperors were the defining feature of Chinese governance. However, in the early 20th century, China threw off i...
20 Elo 202412min
The Scramble for Africa
In November 1884, representatives from a dozen European countries met in Berlin. The reason for the meeting was audacious. They were going to carve up the continent of Africa between them. No one fro...
19 Elo 202415min
The Arctic and the North Pole
Located north of 66°33′ North latitude is the region we call the Arctic. The Arctic is unlike any other environment on Earth, even the Antarctic. It is sparsely populated and has unique wildlife and ...
18 Elo 202414min
The History of the Circus
For generations, families have attended circuses. Circuses were a collection of animals, acrobats, clowns, and other exotic oddities. In an era before television and the internet, circuses were a ma...
17 Elo 202414min
The Silurian Hypothesis (Encore)
The universe is billions of years old. If, in the future, humanity were to explore the galaxy and visit other planets around other stars, we might be visiting places where at one time, an advanced ci...
16 Elo 202413min
The Origin of Words and Phrases: Food
We all eat every day. We use English words for the foods and meals we eat without even thinking about it. But where did those words come from, and what did they originally mean? What is the differenc...
15 Elo 202414min
