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(1225)

Do Those Pollution Masks Really Work?

Do Those Pollution Masks Really Work?

The Naked Scientists are joined by cosmologist Andrew Pontzen, biologist Sarah Shailes, neuroscientist Philipe Bujold and biochemist Sarah Madden to pit their wits against your science questions. This...

3 Apr 201755min

Inside the Atom

Inside the Atom

100 years since Rutherford split the atom, we investigate the secrets of the building blocks of our Universe. How can we harness the energy locked inside these particles, how have scientists been engi...

27 Mar 201758min

Is Modern Life Affecting Fertility?

Is Modern Life Affecting Fertility?

Are trends in modern living helping or harming our ability to reproduce? And how do factors affecting fertility differ between men and women? Plus, fighting brain tumours with artificial antibodies an...

21 Mar 201757min

A Crash Course in Space Junk

A Crash Course in Space Junk

There is a floating museum above our heads: millions of fragments from past space missions are hurtling round the earth and could destroy our current satellites. We find out how spacecraft are coping...

14 Mar 201755min

What is the cause of Brain Freeze?

What is the cause of Brain Freeze?

Why are we looking for earth-sized planets? Can I unshrink a woollen jumper? What does a black hole actually look like? Chris Smith is joined by David Rothery, Anna Ploszajski, Aimee Eckert and Michae...

7 Mar 201759min

Conversations about Climate Change

Conversations about Climate Change

This week, a crash course in climate change: we meet one strange fish already feeling the pinch, ask if humans are wired to ignore the threat, and look at one way we could all reduce our carbon foot...

28 Feb 201754min

Preventing HIV with PrEP

Preventing HIV with PrEP

This week, we investigate the HIV preventative measure PrEP, which could be turning the tide on new infection rates - but is it safe to buy online? Plus, the toughest ever spider's web, a journey back...

21 Feb 201759min

Meteorites: Space Invaders

Meteorites: Space Invaders

What's the difference between a meteorite, meteoroid, a comet and an asteroid? We tell you how to find your own space rock here on Earth, and hear from a scientists tracking where space rocks come dow...

14 Feb 201759min

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