Skip to Navigation
subscribe to Plus
Search this site:
Author: C. J. Sangwin
An infinite series of surprises
Infinite series occupy a central and important place in mathematics.
C. J. Sangwin
shows us how eighteenth-century mathematician Leonhard Euler solved one of the foremost infinite series problems of his day.
A new particle for Christmas?
A bump in the data from the LHC promises exciting news.
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...
What is a black hole – mathematically?
Pau Figueras explains how Einstein's theories predicted the existence of black holes, and how to describe...
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...
Ramanujan surprises again
A fascinating discovery sheds new light on the work of the Indian mathematician Srinivasa Ramanujan.
Tweets by @plusmathsorg
Login to comment or download PDFs
Create new account
Request new password
To prevent automated spam submissions leave this field empty.