Autogyros
We are all familiar with things that fly in the air. Hot air balloons, dirigibles, blimps, airplanes, and helicopters. However, there is another category of flying craft that most people aren’t famil...
16 Kesä 202514min
Transuranium Elements (Encore)
If you take a look at the periodic table of elements, you will notice something interesting. Go to the bottom and take a look at any element over, say, number 94. You will find a bunch of elements y...
15 Kesä 202515min
Frederick Douglass
In 1818, the man who would go on to become one of the greatest leaders in the cause against American slavery was himself born into slavery. At the age of 20, he escaped bondage and went on to lead on...
14 Kesä 202514min
Blue
Colors are something that we are all familiar with. The colors are among the first things we teach children. What if I were to tell you not every culture has the same colors? By that, I don’t mean t...
13 Kesä 202514min
Operation Dragoon
In the summer of 1944, the Allied forces planned an audacious amphibious landing on the beaches of France. It involved hundreds of ships, over a hundred thousand men, and meticulous planning. Those...
12 Kesä 202514min
All About Hair
If you are listening to me speak these words and can understand what I’m saying, then you are a human being.If you are a human being, you are also a mammal, and if you are a mammal, you have hair….or ...
11 Kesä 202514min
The Year 1800
In the year 1800, the last year of the 18th century, the world was on the precipice of radical change. The scientific revolution, the agricultural revolution, and the industrial revolution had all b...
10 Kesä 202514min
How the Ancients Made Fire
One of the most critical developments in the course of human history was the control of fire. Without fire, we probably wouldn’t have even reached the Stone Age, let alone the Industrial Age. But ho...
9 Kesä 202514min
