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)

Driving into the Future

Driving into the Future

This week, we look into new ways of putting a tiger in your tank! We find out how pond life could help make eco-friendly biodiesel and how new types of batteries can power electric cars for further t...

27 Jun 200954min

The Future of our Food

The Future of our Food

This week we dig into into the science of farming and food production. We find out how transgenic plants can help us dispense with the need for chemical pesticides and how giant greenhouses at the sho...

20 Jun 20091h

Your Science Questions

Your Science Questions

On this Naked Scientists Question and Answer show, we discover how storms create slow earthquakes and how a local star, betelgeuse, could explode very soon. We also hear of an accurate way to date po...

13 Jun 20091h 1min

The Science of Architecture

The Science of Architecture

This week, we seek the science of Architecture. We find out how rapid prototyping technology could help us print out entire houses, and how natural light and ventilation could cut our energy bills. ...

7 Jun 200958min

Bioengineering

Bioengineering

How does nature inspire technology and engineering? We find out how bamboo may make effective wind turbines, and how the material that makes up locust tendons could soon be in your shoes and electroni...

30 Mai 200954min

Getting Under Your Skin

Getting Under Your Skin

Science gets under your skin on this week's Naked Scientists, where we find out how human skin colour evolved to make the best of our sunlight. We explain why albino people have no skin pigment at al...

23 Mai 20091h 5min

Science Questions and Answers

Science Questions and Answers

We're open to your questions on the Naked Scientists this week, finding out how photosynthesis works underwater, exploring the sex lives of barnacles and discussing if rockets punch holes in the ozone...

16 Mai 20091h

Clean Water and Alien Invasions

Clean Water and Alien Invasions

This week, we're diving into the science of clean water, finding out why rivers and ponds are essential for wildlife, and how alien invaders are colonising our waterways. Plus, how a diet of glycerol...

9 Mai 200957min

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