This feature includes problems and videos taken from our newly published Adventures with Complex Numbers collection.

The problems follow on from those published in our Imagine This feature earlier this year, so you might like to look at those first if you haven't already seen them.

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### Into the wilderness

Let's go further and see what happens when we multiply two complex numbers together!

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### Complex Puzzle

Can you use everything you have learned about complex numbers to crack this puzzle?

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### Complex Numbers - Power

Professor Chris Budd looks at how complex numbers play a crucial role in the electricity networks that power our daily lives.

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### Complex Numbers - Insight

Dr Holly Krieger explains how she uses complex numbers to understand dynamical systems, including beautiful fractals.

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### Complex Numbers - Strength

Professor Ahmer Wadee shows us how complex numbers make structures safe.

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### Adventures with Complex Numbers

This collection is designed to give an introductory taste of complex numbers.

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### Complex squares

What happens when we square complex numbers? Can the square of a complex number be real?