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)

Bouncing Bombs and Blacksmiths

Bouncing Bombs and Blacksmiths

This week, we bring you the best bits of technology from the world of engineering including a guiding light into the workings of a retroreflector, the dual life of bi-stable structures, and a new way...

9 Heinä 201159min

Pushing Back the Pain Barrier

Pushing Back the Pain Barrier

This week, we explore the problem of persistent pain. We find out how chronic pain is currently treated, and look to our DNA for the genetic clues that could lead to future painkillers. In the news...

25 Kesä 20111h 1min

Coal Gasification and Carbon Capture

Coal Gasification and Carbon Capture

This week, we find out how to get useful gas from useless coal, and make money from waste carbon dioxide! Underground coal gasification could allow us to access huge amounts of energy in inaccessible...

18 Kesä 201155min

Passengers in a Bacterial Body

Passengers in a Bacterial Body

The good side of microbes goes under the microscope this week as we explore how the 100 trillion bacteria that thrive on us and in us, and even outnumber our own cells ten times over, work with the bo...

11 Kesä 20111h 2min

Do My Eyes have Anti-Shake Vision?

Do My Eyes have Anti-Shake Vision?

What would we see at the edge of the universe? Are there long term health effects of eating spicy food? Why doesn't diesel need a spark to ignite? It's another Naked Scientists science question and an...

4 Kesä 20111h 3min

Metallurgy - Metals at the Molecular Scale

Metallurgy - Metals at the Molecular Scale

What happens when a blacksmith meets a metallurgist? This week we explore what's happening at the molecular scale when the smithy works a piece of iron, we meet the superalloys that survive temperatur...

28 Touko 201158min

Scratch 'n Sneeze - Science of Allergies

Scratch 'n Sneeze - Science of Allergies

This week's Naked Scientists is not to be sneezed at - we're looking at the science of allergies! We explore what happens to cause your body to overreact to harmless things, and find out how potentia...

21 Touko 20111h

Wet But Not Wild - Farming Fish

Wet But Not Wild - Farming Fish

We cast our nets wide this week to catch the science of aquaculture or fish farming! We'll find out how farming marine life can reduce reliance on disappearing wild stocks, and explore the effect on ...

14 Touko 201156min

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