Reclaiming Wasted Watts - Thermoelectric Generators

Reclaiming Wasted Watts - Thermoelectric Generators

Over two-thirds of the energy in the fuel you put into your car is wasted, most of it in the form of heat that exits along the exhaust pipe. The same is true of large-scale power stations, which are only 50% efficient at best. But now researchers are bringing 200 year old physics to bear against the problem by developing thermoelectric generators (TEGs) that can turn waste heat into useful electricity and this week we find out how. Plus, news that disguising cancer cells as Salmonella could hold the key to producing effective anti-cancer vaccines, why the Y chromosome boosts heart attack risk,... Like this podcast? Please help us by supporting the Naked Scientists

Episoder(1224)

Good Vibrations

Good Vibrations

From the honking of cars to music blaring out of someone's bedroom window, the world around us is saturated with sound. But what exactly is sound, and how do we hear it? From mimicking an owl's wing f...

9 Des 201459min

The Internet: the good, the bad and the ugly

The Internet: the good, the bad and the ugly

This week we delve into the Dark Web, a hidden arm of the Internet where Google doesn't dare to search and where drugs, guns and hitmen are offered up for sale. We explore how the World Wide Web works...

2 Des 201456min

Does Airport Security Really Make Us Safer?

Does Airport Security Really Make Us Safer?

Travel by air has increased by over 60% in the last decade and annual global air traffic is expected to reach 3.6 billion passenger journeys by 2016 meaning that there are at least 1 million people ai...

23 Nov 201453min

Inside the Ebola Epidemic

Inside the Ebola Epidemic

Ebola has rocked the world in 2014, but why has this outbreak been so devastating? This week we get inside Ebola to find out about the virus itself, and how it causes disease and spreads. We talk to h...

18 Nov 201458min

Combating Cancer

Combating Cancer

This week, the latest breakthroughs in cancer including blood tests to pick up the disease much earlier, new genetic treatments to trigger tumours to kill themselves, and a laser technique to zap canc...

11 Nov 201457min

Supernatural Science

Supernatural Science

Do you believe in ghosts? For Halloween the Naked Scientists take a look at the spooky science of the supernatural. Is there evidence that paranormal beings exist and why do so many people believe in ...

4 Nov 201458min

Transport of Tomorrow

Transport of Tomorrow

Over the next 50 years, getting to work on time or heading out to the hinterlands for your family holiday will become much, much easier - and perhaps, even pleasurable. We're journeying into the not s...

28 Okt 201453min

The Cities of Tomorrow

The Cities of Tomorrow

Continuing the theme of the future of humanity, this week we take a look at what we can expect from our towns and cities in the years to come. Will we be living in wooden skyscrapers, amongst crime fi...

20 Okt 201457min

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