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Educasement

Educasement

Written by: Bridget Casement
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About this listen

 Theo Casement is a kid with a thirst for facts and in this series of short podcasts, he explains the answers to some big questions to his curious mum. Typical topics focus on maths and science - drop in each week for new discussions on big questions and concepts. This podcast is intended to encourage curiosity and reflects a learning conversation, rather than provide formal teaching or education.Bridget Casement
Episodes
  • Why maps lie

    Why maps lie
    Jan 31 2026

    In this episode, Theo explains why no flat map can accurately show a round planet and why some countries look much bigger than they really are.


    Along the way, Mum realises that maps aren’t wrong on purpose — they’re making compromises for what has to change when the Earth is flattened.


    Check out www.thetruesize.com website for further understanding of the Mercator Projection.
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    18 mins
  • The importance of zero

    The importance of zero
    Jan 24 2026

    Zero feels simple — but it quietly changes everything.


    In this episode we discuss why zero isn’t “nothing”, why maths wouldn’t work properly without it, and how a symbol for nothing ended up being one of the most powerful ideas humans ever invented.


    Sources & fact-checking:

    Topics discussed in this episode reference the YouTube channel Numberphile. A link to the specific videos can be found in the show notes.
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    16 mins
  • Is infinity a number?

    Is infinity a number?
    Jan 17 2026

    In this episode we talk about why infinity isn’t a finite number and try to explain how there are different sizes of infinity.
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    10 mins
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