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เนื้อหาจัดทำโดย Chris Woodford เนื้อหาพอดแคสต์ทั้งหมด รวมถึงตอน กราฟิก และคำอธิบายพอดแคสต์ได้รับการอัปโหลดและจัดหาให้โดยตรงจาก Chris Woodford หรือพันธมิตรแพลตฟอร์มพอดแคสต์ของพวกเขา หากคุณเชื่อว่ามีบุคคลอื่นใช้งานที่มีลิขสิทธิ์ของคุณโดยไม่ได้รับอนุญาต คุณสามารถปฏิบัติตามขั้นตอนที่แสดงไว้ที่นี่ https://th.player.fm/legal
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“If we march into that village and we start trying to persecute people for using poison, something that's very illegal, nobody's going to talk to us. We're not going to find out where the poison came from. We're not going to be able to shut anything down. We should take the approach that people are using poison because they're desperate, because they see no other alternative.” – Andrew Stein Andrew Stein is a wildlife ecologist who spent the past 25 years studying human carnivore conflict from African wild dogs and lions in Kenya and Botswana to leopards and hyenas in Namibia. His work has long focused on finding ways for people and predators to coexist. He is the founder of CLAWS , an organization based in Botswana that's working at the intersection of cutting-edge wildlife research and community driven conservation. Since its start in 2014 and official launch as an NGO in 2020, CLAWS has been pioneering science-based, tech-forward strategies to reduce conflict between people and carnivores. By collaborating closely with local communities, especially traditional cattle herders, CLAWS supports both species conservation and rural livelihoods—making coexistence not just possible, but sustainable.…
Static fantastic - what really causes static electricity?
Manage episode 459264131 series 3582797
เนื้อหาจัดทำโดย Chris Woodford เนื้อหาพอดแคสต์ทั้งหมด รวมถึงตอน กราฟิก และคำอธิบายพอดแคสต์ได้รับการอัปโหลดและจัดหาให้โดยตรงจาก Chris Woodford หรือพันธมิตรแพลตฟอร์มพอดแคสต์ของพวกเขา หากคุณเชื่อว่ามีบุคคลอื่นใช้งานที่มีลิขสิทธิ์ของคุณโดยไม่ได้รับอนุญาต คุณสามารถปฏิบัติตามขั้นตอนที่แสดงไว้ที่นี่ https://th.player.fm/legal
The Ancient Greeks knew about static electricity but, surprisingly enough, 2600 years later, we still don't understand it completely. What really causes it, how can it help us, and how can we keep dangerous static properly in check?
45 ตอน
Manage episode 459264131 series 3582797
เนื้อหาจัดทำโดย Chris Woodford เนื้อหาพอดแคสต์ทั้งหมด รวมถึงตอน กราฟิก และคำอธิบายพอดแคสต์ได้รับการอัปโหลดและจัดหาให้โดยตรงจาก Chris Woodford หรือพันธมิตรแพลตฟอร์มพอดแคสต์ของพวกเขา หากคุณเชื่อว่ามีบุคคลอื่นใช้งานที่มีลิขสิทธิ์ของคุณโดยไม่ได้รับอนุญาต คุณสามารถปฏิบัติตามขั้นตอนที่แสดงไว้ที่นี่ https://th.player.fm/legal
The Ancient Greeks knew about static electricity but, surprisingly enough, 2600 years later, we still don't understand it completely. What really causes it, how can it help us, and how can we keep dangerous static properly in check?
45 ตอน
ทุกตอน
×Nuclear power plants make about 10 percent of the world's energy by splitting atoms apart, but they have a very mixed history. So what about nuclear fusion, a better kind of nuclear power, that joins atoms together? We explain how it works... and look at whether it can deliver enough power to solve the energy crisis and climate change.…
Why don't we build houses from leather or planes from glass? Many of life's problems boil down to putting the right material in the right place - which is what materials science and technology is all about.
A candle is an ingenious chemical factory that converts hydrocarbon molecules into light. Which part is hottest? Which is brightest? Can you burn a candle in space? Do candles make harmful pollution?
Today, a look at the science behind bullets - how do they work and how are they designed to do maximum damage when they hit the target?
It's just over a decade since The New York Times declared 3D TV "an expensive flop". How did it work, why didn't it catch on... and will it make a comeback in future?
Science seems our best hope for making sense of the world - and ourselves - but what makes it a better bet than, say, art or religion. What exactly *is* science, anyway? What makes a scientific theory and how do you prove or disprove one? How did science evolve through the ages and where's it heading next?…
From Galileo to Henry Cavendish and Robert Millikan to Ernest Rutherford, here are 10 of the greatest physics experiments - and why they mattered.
Ocean waves contain surprising amounts of energy - which is why surfing is such a cool sport. This week, a quick look at just how much energy there is in waves... and what we can do with it.
How exactly does a hearing aid work? Why is it so much more effective than simply shouting louder? Do the latest digital aids really work better than old-fashioned analog ones?
Friction brakes are brilliantly simple, but they're a huge waste of energy. How can different vehicles - from trucks and trains to bikes and elevators - work more efficiently with energy-saving regenerative brakes?
With thousands of fossil-fuel power plants dotted round the world, we're locked into burning huge amounts of carbon for decades to come. Can carbon capture and storage help us get around the problem and slow the effects of climate change?
What's the difference between an old-style Hoover and a new-style Dyson? This week, we take a quick look at the technology that gets your rugs and carpets clean...
From the alphabet to the Internet, enjoy a 10,000-year, whistle-stop tour through the whole history of human communication!
Old-style telephones are giving way to Internet phones - or Skype-style VoIP. What is it and how exactly does it work?
The Ancient Greeks knew about static electricity but, surprisingly enough, 2600 years later, we still don't understand it completely. What really causes it, how can it help us, and how can we keep dangerous static properly in check?
Noble gases used to be called "inert gases" because people thought they were so un-reactive and boring. In this week's episode, we discover how they provide the secret atomic power behind neon lamps, xenon lamps, and the brightest lights in our otherwise dark and dingy world!
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!
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.
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!
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?
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!
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!
The climate's in a fix, but can we really fix it with geoengineering - large-scale tinkering with carbon emissions, weather, and the sky?
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?
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!
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?
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?
Pagers have been in the news recently for all the wrong reasons. Can you remember what they were and exactly how they worked?
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.
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!
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.
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.
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!
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!
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!
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!
From HAL and "Speak & Spell" to Siri, and Alexa, we look at how speech synthesizers work... and why they still don't work perfectly!
Is there still a place for the lone genius inventor - the Edison, Ford, Tesla, or Marconi? Or is invention now solely the province of giant corporations like Apple, IBM, and DuPont?
Hurrah, the Olympics is nearly here! From springy pole vaulters and leaping long jumpers to spinning ice skaters and slippery swimmers, we're going to take a quick tour through the surprising science behind sport!
Let's zip back over two and half thousand years to understand the sparky story of electricity, from Thales and Aristotle to Edison, Marconi, and James Clerk Maxwell!
How goes a gecko stick to the ceiling... why doesn't glue stick to the tube? Today, I'm exploring adhesive and cohesive forces and trying not to come unstuck as I explore the sticky science of glues.
Can you feel the force? Maybe it's gravity - the tingling attraction between everything in the Universe and everything else. Where does it come from? What causes it? How near are we to understanding it?
From anatomy to abnormality, we compare nature's finest marvel (the human brain) with the best that humans have so far produced (the electronic computer). How are they similar and how are they different? Is the Net becoming increasingly brain-like? Will it ever become conscious and self-aware?
What is intelligence and, if it's such an essential part of being human, can we ever really hope to build an "intelligent machine"? What are the different kinds of AI? What's the difference between old-style AI and new-style machine learning? How will we know when we've built a machine that is truly intelligent?…
A two-minute introduction to the podcast!
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