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Maths in a minute: The axioms of probability theory
Take a quick trip to the foundations of probability theory.
Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words. From symmetry to Euclid's axioms, and from binary numbers to the prosecutor's fallacy, learn some maths without too much effort.
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Maths in a minute: Graphs and the degree sum formula
Double counting proves a neat result in graph theory.
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Maths in a minute: Dark energy
What is dark energy and how do we know it's there?
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Maths in a minute: Dark matter
Physicists believe that around 82% of all the matter in the Universe is invisible dark matter. But if it's invisible how do they know it's there?
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Maths in a minute: The brazil nut effect
Why your muesli shakes down in unexpected ways.
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Maths in a minute: Compound interest and e
Compound interest is the curse of debt and the blessing of saving. Find out how it works and what it has to do with one of the most important numbers in mathematics.
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Maths in a minute: Variance
If you're bored with the average, then move on to the variance!
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Maths in a minute: The two envelopes problem
What's wrong with this probability argument?
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Maths in a minute: Euler's identity
Here's a quick introduction to the beauty queen amongst mathematical formulas.
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Maths in a minute: How does laser interferometry work?
How does LIGO detect gravitational waves? Here is a quick introduction.
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Maths in a minute: Gravitational waves
A quick introduction to one of the greatest discoveries of the century.
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Maths in a minute: Black holes
A quick introduction to the monsters that lurk at the centre of each galaxy.