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Michael Wendl dissects some variants of the magic separation, a self-working card trick.
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Biography of Katherine Johnson, NASA human computer and research mathematician
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Discover the mysteries behind the most spectacular free-kick ever scored and how Newton can help us to simulate it.
Slide rules: the early calculators
When slide rules used to rule... find out why they still do
On the cover: dragon curves
Read more about the fire-breathing curves that appear on the cover of issue 05