Castle Engineering 101
Centuries ago, if you were a ruler, you needed to protect yourself and your realm. You’d obviously need an army and soldiers, but you would also need some sort of defensive fortification to protect yo...
18 Loka 202214min
SETI: The Search for Extraterrestrial Intelligence
For thousands of years, humans have looked up at the night sky and wondered, “are we alone?” For the longest time, it remained nothing more than a philosophical question, but in the 20th century, some...
17 Loka 202212min
John Snow and the Broad Street Cholera Outbreak of 1854
In 1854 an unusually severe outbreak of cholera occurred in London. While cholera was not an uncommon disease, physicians at the time weren’t sure what caused it. This time, one doctor took a comple...
16 Loka 202211min
Rapa Nui (Easter Island)
Located in the South Pacific Ocean is one of the most isolated islands in the world. It is over a thousand miles from the nearest human settlement. There a civilization unlike any other in the world a...
15 Loka 202212min
High Fructose Corn Syrup
In 1957, two chemists at the Clinton Corn Processing Company of Clinton, Iowa, developed a system for converting the sucrose found in corn starch into fructose. Over 60 years later, the product they ...
14 Loka 202211min
The Vasa (Encore)
The Swedish King Gustavus Adolphus oversaw the rise of Sweden as one of the great powers in Europe. In 1626, he ordered the construction of a warship that would be the most powerful floating platform ...
13 Loka 202211min
The Terrible, Horrible Voyage of the Russian Imperial Baltic Fleet
In February 1904, the Russian Empire found itself at war with the Empire of Japan over what was the territory of China. The problem was the majority of the Russian navy was located in the Baltic Sea,...
12 Loka 202212min
The Electromagnetic Spectrum
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. Fundament...
11 Loka 202216min
