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

Jaksot(1223)

Why does Water Expand when it Freezes?

Why does Water Expand when it Freezes?

The Nobel prizes feature on the Naked Scientists this week alongside a bumper crop of your science questions! We find out why water expands when it freezes, whether animals have regional accents, and ...

10 Loka 20091h 6min

Catching Up with Cancer Research

Catching Up with Cancer Research

This week, we catch up with the latest from the front line of cancer research. Kat Arney reports from the National Cancer Research Institute's annual conference, we find out how proton therapy is pro...

3 Loka 200957min

Researchers Revealed!

Researchers Revealed!

We bring you the highlights from European Researchers Night 2009, which filled the Great North Museum with explosions, music and laughter. We meet Brainiac's Jon Tickle to discuss the physics of cust...

26 Syys 20091h

Life in the Branches

Life in the Branches

Join us in a peek at the secret lives of birds. We find out just how a cuckoo convinces others to care for it's young, and the tragic outcome for the cuckoo chick when the rouse is discovered. We me...

19 Syys 200956min

Building Bodies and Mending Broken Hearts

Building Bodies and Mending Broken Hearts

This week we find out about bionic bodies. We discover whether it's possible to mend a broken heart with stem cells as well as investigate if soft nanobots could soon be delivering drugs around our b...

12 Syys 200957min

Can you run faster on the moon?

Can you run faster on the moon?

This week we're taking on the questions you've waited all summer to find the answers to. We find out whether humans can run faster on the moon than here on Earth, if tea tastes better in china cups, a...

5 Syys 20091h 2min

Diana and Meera's Best Bits

Diana and Meera's Best Bits

Diana and Meera select their favourite bits of Naked Science, including parajetting over the Himalayas, digging up Greek brothels and making the perfect cup of tea scientifically. Plus, Dr Hal blows u...

30 Elo 200959min

Ben and Dave's Best Bits

Ben and Dave's Best Bits

Ben and Dave select their favourite bits of Naked Science: from taking an MRI of outer space to orange fireballs and chocolate teapots. We explore the boys' best Naked capers. Plus, we join Dr Hal for...

22 Elo 20091h

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