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As a parent, your kids quickly teach you how much you don’t know about the world.
What is earwax? What does an octopus eat? And the question that inspired this weekend’s lead story – is time travel in space possible, the way it is in the new Disney Pixar film Lightyear?
If you’re planning to take your kids to the movies these school holidays, do yourself a favour: read our spoiler-free explainer about the new Lightyear film first. Not only will you be able to look smart, knowing all about time dilation – you’ll be able to tell them there are astronauts circling the Earth right now, experiencing that effect (though luckily not as much as Buzz Lightyear).
There are hundreds more Curious Kids explainers to read when you’re done.
And if you value the way The Conversation’s experts can explain even Einstein’s theory of relativity in plain English – please join 17,000 others in donating today.
PS. Join our expert panel - Eddie Synot, Henry Reynolds, Hannah Duncan and Charles Passi - at SLQ Brisbane or online to acknowledge the remarkable life, politics, activism, and legacy of Eddie “Koiki” Mabo. This event is free to attend but bookings are essential.
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Liz Minchin
Executive Editor
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Sam Baron, Australian Catholic University
Time dilation might seem like science fiction, but it’s not. There are astronauts circling the Earth right now who are experiencing it – though luckily nowhere near as much as Buzz Lightyear.
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Wendy Boyd, Southern Cross University; Michelle M. Neumann, Southern Cross University
The two biggest states have jointly committed to a huge investment in early childhood education and learning over the next decade. But delivering high-quality universal preschool access won’t be easy.
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Katja Ignatieva, UNSW Sydney
What is the electricity grid and how does it work? How are energy supply and prices determined? An expert breaks down a few of the terms and ideas underpinning Australia’s energy crisis.
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Our most-read article of the week
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Esmé Louise James, The University of Melbourne
Pompeii is remembered as a place of surprising liberality – but the ‘masturbating man’ is probably a far less lurid tale than assumed.
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In case you missed it
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John Buchanan, University of Sydney
The Fair Work Commission has granted a pay increase to Australia’s lowest-paid workers for a good reason. Even with rising inflation, the economy is strong.
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Oscar Davis, Bond University
A Google engineer claims one of the company’s chatbots has become sentient. Experts disagree, but the debate raises old questions about the nature of consciousness.
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Michelle Grattan, University of Canberra
On Thursday Anthony Albanese and Energy Minister Chris Bowen formally updated Australia’s international commitment for its proposed climate change action.
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Mohiuddin Ahmed, Edith Cowan University; M Imran Malik, Edith Cowan University; Paul Haskell-Dowland, Edith Cowan University
Explorer came at the dawn of the public internet. For millions of people, it will always be their first experience of the World Wide Web.
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Michelle Grattan, University of Canberra
University of Canberra Professorial Fellow Michelle Grattan and Director of the Institute for Governance & Policy Analysis, Dr Lain Dare discuss the week in politics.
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Joel Gilmore, Griffith University; Tim Nelson, Griffith University
Australia’s energy market operator has suspended the National Electricity Market, due to a perfect storm of coal plants going offline and a spike in fossil fuel prices.
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Nick Fuller, University of Sydney
With FatBlaster Max recently banned from sale, it’s a good time to look at what diet pills actually contain, and whether they work.
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