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(1223)

Helen's Best Bits

Helen's Best Bits

It's big, it's blue, it's where life began and life certainly wouldn't be the same without it: yes, that's right, it's the sea. This week Helen Scales is taking the show underwater to explore her favo...

15 Aug 200959min

Kat's Best Bits

Kat's Best Bits

This week, Kat Arney has been through the archives and picked out her personal Naked highlights, including making experimental jelly, sneezing at computer screens, stabbing potatoes and Ben dancing (b...

8 Aug 200959min

Peeing on an Electric Fence

Peeing on an Electric Fence

What happens if you urinate on an electric fence? We find out the answer to this and some of your other science questions on this week's Naked Scientists, including why chilli peppers are red, how do...

1 Aug 200958min

Rubbish!

Rubbish!

We dig deep into the science of rubbish, refuse, waste and recycling... Like this podcast? Please help us by supporting the Naked Scientists

25 Jul 200959min

Making Babies - Pregnancy and Fertility

Making Babies - Pregnancy and Fertility

The latest in the science of fertility, IVF and pregnancy... We find out how pre-implantation tests could improve the success of IVF and how stress during pregnancy affects foetal development. Plus, ...

18 Jul 200959min

The Rap Guide to Evolution - Darwinian Hip Hop

The Rap Guide to Evolution - Darwinian Hip Hop

Award winning Canadian hip hop artist Baba Brinkman brings us his Rap Guide to Evolution, an hour of clever, witty and scientifically accurate rhymes that will have you seeing Darwin from a whole new ...

15 Jul 200959min

Here's Looking at You - the Science of Vision

Here's Looking at You - the Science of Vision

We seek the Science of Sight on this week's Naked Scientists, discovering how deep sea fish use clever bioluminescence and biological mirrors to cope with the darkness of the deep. We hear how our br...

11 Jul 200957min

Why Does Toothpaste Make Food Taste Funny?

Why Does Toothpaste Make Food Taste Funny?

This week, we're taking on your science brainteasers! We find out why toothpaste ruins other flavours, whether humans have a mating season and why food goes in multicoloured, but comes out brown... Pl...

4 Jul 200958min

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