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Agner Krarup Erlang (1878 - 1929)
The mathematics underlying today's complex telephone networks is still based on his work. Erlang was the first person to study the problem of telephone networks.
Call routing in telephone networks
Find out how modern telephone networks use mathematics to make it possible for a person to dial a friend in another country just as easily as if they were in the same street, or to read web pages that are on a computer in another continent.
What is a black hole – mathematically?
Pau Figueras explains how Einstein's theories predicted the existence of black holes, and how to describe...
Middle class problems
A famous question involving networks appears to have come closer to an answer.
Playing with numbers
Here's a game: pick a positive natural number and if yours is the smallest number no one else has picked, you...
What is a black hole – physically?
Small, dark, and very hard to see. This and far more indepth answers to every question you ever wanted to...
A new particle for Christmas?
A bump in the data from the LHC promises exciting news.
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