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Have we caught your interest?
Those who understand compound interest are destined to collect it. Those who don't are doomed to pay it - or so says a well-known source of financial advice. But what is compound interest, and why is it so important?
John H. Webb
Steady on, Einstein
To celebrate the release of more English translations of Einstein's papers, we revisit one of his previously...
Introducing the Klein bottle
A Klein bottle can't hold any liquid because it doesn't have an inside. How do you construct this strange...
Who's looking at you?
Observers are, of course, vital in physics: we test our theories by comparing them to our observations. But...
The Fibonacci sequence: A brief introduction
Anything involving bunny rabbits has to be good.
Two-faced conic sections
Play with our applets to explore the conic sections and their different definitions.
The philosophy of cosmology
Can philosophy help explain our Universe?
Tweets by @plusmathsorg
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