Zero to the power of zero
Zero is probably the most mysterious number and the most counterintuitive. After all, there is no real-life analog for it. Zero is the absence of something. But why is zero raised to the power...
Category: Science
Multiplication table
Not everyone knows it, but surely everyone learns it in school. The multiplication table is a very useful thing even today in the era of artificial intelligence and calculators on phones. Who invented the...
Binary number system
Everyone has heard of the binary numbering system, and everyone knows that it is some kind of “computer language”. But why exactly is that? Why not use the familiar decimal system? What’s the point?...
Why is time not decimal?
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...
When there were no digits?
We are so used to letters and numbers that we cannot imagine how people counted without digits. But how did people count in the good old days when digits did not yet exist? Yes,...
Ancient numeral systems
No one knows how long ago people learned to count. But we almost certainly know how they did it in the past. At least from the moment ancient numbers began to be recorded. A...
Why X is unknown in math
Everyone has somehow gotten used to the fact that in mathematical equations and in everyday life, we call something unknown X. In mathematics, x is something unknown, and not only in mathematics but also...
What is infinity in simple terms
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...
Is division by Zero allowed?
Why can’t you divide by zero? Who forbade it? School stubbornly forbids us from dividing by 0, but as soon as you step into university, you get an indulgence. What was considered forbidden in...
The Story of Zero
Who invented zero? For those who want a quick answer, I’ll say right away — zero was invented by Indian mathematicians. That’s what the official history of mathematics states. But for those who are...
What is the speed of sound
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...
