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

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Australopithecus Sediba Special

Australopithecus Sediba Special

Reader in evolution at Wits University, Lee Berger, made a life-changing discovery when he uncovered the remains of a new species of hominid, Australopithecus sediba, in South Africa. Here, Chris Smit...

7 Sep 201137min

Why do some animals dump indiscriminately?

Why do some animals dump indiscriminately?

Why do some animals poo wherever the fancy takes them, whilst others are more fussy about the locations of their lavatory actions? What triggers pins and needles? How do some fish survive in both fres...

3 Sep 20111h 6min

Science in Scotland

Science in Scotland

This week, Chris explores some of the cutting edge research taking place in Aberdeen. We meet a scientist making new cannabis-like chemicals that lack the side effects of the real thing, talk to a ma...

27 Aug 201158min

Do planes trigger rains?

Do planes trigger rains?

The rain in Spain falls mainly on the "plane". Or so the saying goes, but new research has confirmed that aeroplanes do cause clouds to dump their contents prematurely, often around airports, and in t...

20 Aug 20111h 2min

Chemistry By Design

Chemistry By Design

Are designer molecules poised to take us into a new chemical dimension? This week, we explore how, long before the bunsen burner gets lit, computer aided chemistry can enable us to create in silico i...

13 Aug 201155min

Do bubbles help washing up?

Do bubbles help washing up?

Do bubbles help or hinder when doing the dishes? Can we find evidence of material from Earth on the Moon? Can camera lenses cause fires? And is fluoride in drinking water safe? In this Question and An...

6 Aug 201154min

The Year in Ocean Science

The Year in Ocean Science

This week, we take a dive beneath the waves to look back at the last year in Ocean science. We call in on deep sea microbes, spawning corals and even a seahorse surgery. Plus we hear how the Census of...

30 Jul 201158min

The Year in Astronomy

The Year in Astronomy

This week, we look back over the last few months of space science. We'll hear how scientists search for planets in the glare of their parent star, why a simulated mission to Mars will help us to unde...

23 Jul 201159min

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