All About Air
Right now, as you are listening to the sound of my voice, you are breathing air. Air is all around you all the time. When humans go into space or beneath the surface of the ocean, the one thing you a...
1 Maalis 202312min
Perpetual Motion
Imagine a device that could supply an unlimited amount of energy. It would solve many of the world’s problems in one fell swoop. Unfortunately, such a device is impossible to build, but that hasn’t s...
28 Helmi 202311min
The Most Important Supermarket Visit in History
The cold war was the defining event of the second half of the 20th century. When exactly it ended has been subject to debate. Was it the fall of the Berlin Wall? Was the day the Soviet Union was diss...
27 Helmi 202311min
Proscription Lists
The movie The Purge depicts a fictitious world where one night a year, there is a war of all against all. If you look back in history, you will find a time when something similar happened. Except it...
26 Helmi 202311min
Nanotechnology
In Greek, the word for dwarf is “nanos.” The International Bureau of Weights and Measures adopted the prefix ‘nano’ to mean one billionth. A nanometer is one billionth of a meter, and it is the scal...
25 Helmi 202312min
A Brief History of Paris
Located on the banks of the River Seine lies the city of Paris. Paris has a long history dating back over 2000 years. During its long history, it has seen wars, plagues, and kings and emperors. Today...
24 Helmi 202314min
The History of the Compass (Encore)
One of the most important inventions of early humanity was the compass. The compass has aided human navigation around the Earth for centuries. Despite being a critical technology in the development o...
23 Helmi 202313min
Game Theory
One of the most fascinating areas of mathematics and economics is game theory. Game theory involves analyzing competitive situations where multiple participants make interdependent decisions. In othe...
22 Helmi 202310min
