Why does an airplane fly
Why does an airplane fly? The question might seem childish. But try to answer it, and there’s a high chance your answer will be incorrect. The truth is, the question is more complex than...
Why does an airplane fly? The question might seem childish. But try to answer it, and there’s a high chance your answer will be incorrect. The truth is, the question is more complex than...
There are things shown in movies that are impossible in the real world: giant walking robots, Godzilla, giant insects, Spider-Man, people with wings like angels… All of this is “prevented” by one interesting law,...
You’ve probably heard the term “cruising speed of an aircraft” many times. But have you ever wondered what it really means? Most people who use this term don’t actually understand its meaning. There’s a...
Archimedes is one of the most famous scientists not only of his era. Some of his discoveries and inventions were successfully applied by his contemporaries, while others were appreciated by humanity only hundreds or...
This is the most famous irrational and transcendental number in the world. Even people who don’t know what it means and don’t remember what they were taught in school know that there is such...
Everyone knows how to multiply column-wise, fewer people know about multiplication with lines, but there are other interesting methods too. Multiplication is a very simple operation, in fact, it’s essentially the same as addition....
Have you ever wondered why there are 60 seconds in a minute and 60 minutes in an hour? Why not 100? Why do we use the decimal system for counting, but time is measured...
Infinity is a complex concept to understand. In ordinary life, we do not encounter anything that has no beginning and end. It is all the more surprising that such an abstraction is encountered so...
First, let’s find out how fast is supersonic in kilometers or miles per hour? What speed is required to be considered supersonic? The problem is that there is no simple and straightforward answer to...