Imagine This

ABC Kids listen
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Nov 18, 2025 • 15min

How do magnets work?

Nij is out of fridge magnets and discovers they can't be replaced by just any piece of metal. What gives magnets their power to pull and push, and how do they stick to things? Nij and the kids get the answer from physicist Dr Cathy Foley, who explains how magnets work and why they're so special.
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Nov 11, 2025 • 12min

What are nits and why do they make us itch?

Nij has nits! But what are nits, and why do they make us itch? Medical entomologist Cameron Webb and the kids comb through Nij's head for a close-up look.
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Nov 6, 2025 • 10min

Imagine This x Gardening Australia Junior: Why are worms good for the garden?

Imagine This host Dr Nij joins Costa and the Gardening Australia Junior crew to find out why worms are so good for the garden.
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Aug 12, 2025 • 10min

BONUS: Black Holes in the Imaginarium

To celebrate Science Week, we're heading back to space with Dr Kirsten Banks to learn about something very powerful and mysterious.... Black holes! We recommend listening to How are stars made? first before listening to this bonus episode. 
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Jun 3, 2025 • 16min

How are stars made?

Twinkle twinkle, little star, how I wonder what you are…. No, really – what are stars made of and how did they get all the way up there in the sky? Let’s find out more with astrophysicist, Dr Kirsten Banks! Get ready to blast off in 5, 4, 3, 2 1!
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May 27, 2025 • 15min

How does water turn into wee?

If you don’t drink water, urine trouble! It’s a wee-lly important thing to stay healthy. So how do our bodies turn this clear water into yellow pee? Nij and the kids meet Dr Sradha Kotwal to follow the journey through our bodies from water to wee!
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May 20, 2025 • 14min

How is glass made?

We see glass every day, we see right through it! It’s in our windows and our fridges, our cars and our devices… But how do you make all this hard, clear stuff? Pack your bags, we’re off to Ancient Egypt to find the answers!
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May 13, 2025 • 16min

Do we control our feelings or do they control us?

Some days we can feel happy and other times we can feel sad or frustrated, or downright angry! Where do all these different feelings come from and why do we feel them? Nij and the kids meet Dr Pete Koval at the F.E.E.L. lab to learn more…
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May 6, 2025 • 16min

How do snakes and spiders make venom?

Step right up for the Tiny Tour of Toxins! Nij and the kids trek through the Aussie bush and go on an underwater adventure with venom expert Dr Timothy Jackson to explore the world of venomous animals... 
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Aug 20, 2024 • 14min

What is phone reception and why do my parents lose it?

Dr. Shaghik Atakaramians, a telecommunications expert, joins the conversation to demystify phone reception. He explains how mobile devices transmit signals for calls and messages, emphasizing the role of cell towers and radio waves. The discussion takes a fascinating turn as they explore how voice transforms into electrical signals and the challenges rural areas face with connectivity. They also reflect on the humorous side of losing reception, suggesting fun offline activities to embrace moments without technology.

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