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

Avsnitt(1224)

What do worms do in the rain?

What do worms do in the rain?

We take on your science questions - If there's something that's been puzzling you, on any scientific topic - get them in now! Like this podcast? Please help us by supporting the Naked Scientists

11 Apr 201054min

Can you Steer a Hurricane...?

Can you Steer a Hurricane...?

Can you steer a hurricane? In this week's weather-focused Naked Scientists, we find out how aeroplanes are creating clouds, get the low-down on how insurance companies size up storm risks and hear how...

28 Mars 201054min

The Science of Farming

The Science of Farming

We dig into the science of farming this week with a look at how agriculture can adapt to a changing climate, how scientists are striving to produce a perfect pea and a new initiative to turn native Af...

21 Mars 201055min

How Do Jellyfish Reproduce?

How Do Jellyfish Reproduce?

How do odour-killing insoles stamp on smelly feet? Do submariners' ears pop? How do Portuguese Man o'War jellyfish reproduce? We take on your science questions this week as well as hearing the highlig...

14 Mars 20101h

The Science of Solar: Photovoltaics

The Science of Solar: Photovoltaics

Shedding some light on new advances in solar technology, this week's Naked Scientists explores how nanotechnology can boost solar cell efficiency and how flexible photovoltaics can be rolled up - and ...

7 Mars 201054min

The Science of Water Security

The Science of Water Security

We dive into the science of water security in this week's Naked Scientists. We find out how building a dam alters the local weather, and how simple interventions can help bring safe water and sanitat...

28 Feb 201059min

Winds, Wings, Whale Fins and Wind Power

Winds, Wings, Whale Fins and Wind Power

How can we make the most of the wind? In this week's Naked Scientists, we find out how Humpback whales have inspired a new, more efficient design for turbine blades and stall-resistant aeroplane wings...

21 Feb 20101h 2min

Do animals use toilet paper?

Do animals use toilet paper?

We investigate the toilet habits of the animal kingdom this week as well as taking a pot shot at which way a dirty golf ball swings in mid air, answering whether warmer waters attract more sharks and ...

14 Feb 201059min

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