Episodit
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Why can't you blow all the dust off a bookshelf? Why are wind turbines so high? Why does coffee spill when you pour it and barges bang together? Find the answers in our easy-to-understand intro to aerodynamics!
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Are electronic books (ebooks) really the future? For those of you who've yet to discover them, here's a quick guide to ebook readers, ebooks, eink - and how all that stuff works.
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Puuttuva jakso?
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What are earthquakes and why do they cause so much destruction? Following the offshore quake and tsunami warning in northern California a few days ago, here's a timely 15-minute introduction!
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If you're tired of all those Windows worms and malware scares, maybe it's time you switched to Linux. What is it and how does it work?
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Why would "things" want to use the Internet? If you've no idea what people mean by the "Internet of Things," start here... with our quick introduction!
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Washing clothes is easy; drying them can be more of a pain. Understanding a bit of science can help you get your clothes dry much more quickly and efficiently!
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The climate's in a fix, but can we really fix it with geoengineering - large-scale tinkering with carbon emissions, weather, and the sky?
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The hovercraft was an iconic British invention from the 1950s; now we barely hear about it at all. How exactly did it work... and why did it fall out of favour?
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From Blaise Pascal and Charles Babbage to Konrad Zuse, Alan Turing, and Steve Jobs... join us on a 2,500-year journey through mechanical calculators (cogs), relay-driven early computers (clicks), and modern microprocessors (chips) as we explore the fascinating history of computers!
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You've probably heard the hype about memory foam, widely used in mattresses and cushions, but what's the science behind it and how does it really work?
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You've probably heard of graphene, but what is it... exactly? What's so good about it... and will this simple new kind of carbon power out future?
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Pagers have been in the news recently for all the wrong reasons. Can you remember what they were and exactly how they worked?
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Will fracking save our skins by helping wean us off coal... or push us ever closer to a climate catastrophe? In this episode, we find out how it works and take a balanced look at the arguments for and against.
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With crafty building design, you can heat your home with plentiful, free energy from the Sun. It's called passive solar energy - and here's how it works!
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If water's the stuff of life, why do we still live in a world of littered rivers and oil spills? Today, a look at water pollution - and what we can do about it.
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How do self-driving cars see where they're going? One way is by using a kind of light-scanning laser called LIDAR - and here's a quick look at how it works.
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The ideas we have about ourselves and other people are often well wide of the mark - as 10 amazing experiments from the history of psychology impressively demonstrate!
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Are you feeling lost? GPS "satnav" will soon put you right. Today we take a simple look at GPS, Glonass, Galileo, and the other space satellite navigation systems spinning around over our heads!
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No, the Wright Brothers didn't invent flying - the idea actually dates back through thousands of years of history. Today, we glide through the story of human flight!
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Today we discover how atoms vibrating 9,192,631,770 times a second can help us tell time. Welcome to the wonderful world of radio-controlled, atomic clocks!
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