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That depends on how good a mathematician you are.
In the West, we hear a lot of the saber-rattling between mainland China and Taiwan, but that's only half the story, as I learned when I visited in 2004.
Mainland China benef...
Well if it's my cat, he immediately went limp and refused to get up on his paws. I'd put him on his feet, and the minute I started to gently walk with the leash, he'd go li...
This question is a good one. It shows insight and careful thinking, and it deserves a good answer. And there are several good answers. Unfortunately, very few of them are a...
Here is a classic Soviet joke:
The presenter was talking about all the achievenment of the 5 year plan, including a new power plant in Leningrad.Someone in the room said: "I...
The presenter was talking about all the achievenment of the 5 year plan, including a new power plant in Leningrad.
Someone in the room said: "I...
An Indonesian born in 1980s here.
we, Indonesian, remember how sadistic Japanese occupation were. If you asking us, which one was the worst, Dutch or Japan, then we will una...
"You cannot tie a knot in 4 dimensions". How does one prove that? Is it even true?
The actual formal proof is a bit longer and messier, but here's the gist of it:
Consider 1 ...
The term "dynasty" is a mistranslation.
In the Western world, in fact… just anywhere outside of China, the word "dynasty" refers to the name of the ruling family. For exampl...
There are a few facts that are left out from the projection.
Ranges of various North Korean artillery pieces when fired from their positions
As you can see only about one qua...
Basic misconception: real numbers are their decimal fraction representation
A common misconception I see is that real numbers depend on their decimal fractions. They don't. ...
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