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(1224)

Menstrual Science: periods, pills, poverty

Menstrual Science: periods, pills, poverty

This week - we're pondering periods. With about 800 million people menstruating each day around the globe, we're re-visiting the biology, musing over menstruation and mental wellbeing, and asking why,...

6 Okt 202055min

Should You go Vegetarian?

Should You go Vegetarian?

With an eye on World Vegetarian Day we're looking at the feasibility of a reduced meat diet: What can cutting down calories from meat do for our health, and the health of the planet? Plus, in the news...

29 Sep 202053min

Big Data, Big Problems?

Big Data, Big Problems?

Do algorithms run the world? Nowadays we measure the amount of data we generate in zettabytes - that's 1 followed by 21 zeroes. This data, in turn, powers algorithms that are getting more and more sop...

22 Sep 202059min

Covid to Climate: Dissecting Science News

Covid to Climate: Dissecting Science News

This week - a show with a difference! Space journalist Richard Hollingham and space scientist Katie Mack join Chris to probe the science behind the headlines, talk to other guests along the way, and a...

15 Sep 202057min

Telescopes Through Time

Telescopes Through Time

This week, the story of how humankind has gazed into space, from the first basic telescopes to what gravitational waves are now revealing about the workings of black holes. Plus, in the news, evidence...

8 Sep 202055min

Where Did COVID Come From?

Where Did COVID Come From?

Where did the coronavirus come from? The story we've been told is that it started off in bats, and then jumped into humans some time late last year at a seafood market in the city of Wuhan. It's a nea...

1 Sep 202058min

Gardens, Plants and Climate Change

Gardens, Plants and Climate Change

This week, with our climate changing, will the traditional "English country garden" become a thing of the past? Will pests and diseases surge? And how will flowers and food crops, and the pollinators ...

25 Aug 202059min

Can You Understand Me?

Can You Understand Me?

This week, How do we understand each other, from infants to adults how do we go about relating to one another. Plus, in the news, A Russian COVID vaccine, the perks of prosecco, and stopping swarming ...

18 Aug 202053min

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