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20th Apr 2008

Houses of the Future


Chris Smith

Sustainable Solar power in Sydney, home-generated electricity and green-housing developments go under the microscope this week as we explore the science of sustainable living. Meanwhile Dave goes for gold in water recycling by purifying and drinking water from urine, and we also find out how vitamin supplements can kill, discover an atom-thin transistor and hear how testosterone provoke boom and bust on the stock market. So join us as we become eco-estate agents and go through the keyholes of the Green Houses of Tomorrow!

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Science News

Vitamin death-link hard pill to swallow

Vitamin supplements might make you die sooner, say researchers. Goran Bjelakovic and his colleagues, from the University of Copenhagen, looked at the results from 230,000 people who had taken part in...

Atom-Thick Transistors

Scientists have made the world’s thinnest ever transistors – the devices that switch current on and off in all electronic equipment.  At their very smallest, the new transistors are just one atom...

Testosterone beefs up market bubbles

Researchers at the University of Cambridge have discovered that the performance of financial traders is linked to their hormones. Joe Herbert and John Coates followed 17 city traders in London over a...

Kitchen Science

How you could drink your own urine safely?


If you were trapped on a desert island with nothing to drink what would you do? We show you how to purify various unappetising liquids...

Question of the Week

Lightning on TV

Should you unplug your TV in a thunderstorm?


Interviews

Sustainable Solar Solutions?

Dr Karl Kruszelnicki

Generating Heat and Power at Home

Elaine Ball, Baxi group

The Science of Survival

Melinda Campbell, Science Museum & Jacob Tompkins, Waterwise

Zero Energy Housing

Asif Din, Zedfactory

Questions

When you are given an injection why is the doctor or nurse very careful to make sure there is no air in the barrel of the syringe? Because when you cut yourself it doesn’t matter, there’s air all around the wound.


Would a lightning strike affect the small components [Graphene Transistors] that you were talking about earlier?


When I eat one of those fizzy, sugary-dextrose sweets I get a really cool sensation in is mouth [as in cold]. Is that the same as with the menthol thing?


My house is roughly a hundred years old. The new houses built today may not last that long but, in general, the houses of the next 50 years are going ...
- Bored chemist - 22nd Apr 08

I am also vey wary about the overall concept of microgeneration.  If a substantial fraction of out electricity were going to be provided by micro...
- another_someone - 22nd Apr 08

"what are the big power generating companies going to do about the loss of business?"
Well, if I have my own wind/ solar powered genera...
- Bored chemist - 23rd Apr 08



Rising  prices and restricted supply is not a problem for the power generators (in fact it can be an opportunity to increase their pr...
- another_someone - 23rd Apr 08
Whole Thread | Post Reply

Houses of the Future - More about this podcast

This week on the Naked Scientists we’re saving money and saving the environment with the very latest efficient technology for our homes. From solar cells to brilliant boilers, we’ll be finding out how scientists are going green – and the challenges faced by designers trying to incorporate eco-ideas into housing developments.

Steal my sunshine

Photovoltaic solar panels on the roof of a house near Boston MassachusettsMention solar power in the UK and you’ll be met with a raised eyebrow, although a surprising amount of solar energy is trapped here.  But solar technology comes into its own in many of the hotter parts of the world, such as Australia.

Dr Karl Kruszelnicki – the voice of Australia’s Triple J Radio science shows has plastered his roof with solar cells.  But is his cunning plan working?  We’ll be hearing about his solar array, finding out how efficient it really is, and if he’ll ever get back the costs of installing it.

Come on baby, light my fire

All over the world our demand for energy is rising, and the fossil fuels that we rely on to produce it are dwindling – as well as producing gases that contribute to global warming.  To help address this crisis – and keep your toes warm in winter - boiler manufacturers Baxi have developed the Baxi Ecogen, a Combined Heat and Power boiler.

We’ll be joined by Elaine Ball from Baxi, to explain how the boiler uses the heat produced from heating your home and hot water to generate up to 1 kiloWatt of electricity.  Could this be the solution to our domestic energy crisis – and could you actually make money by selling your excess electricity?

I’m a survivor

Water DropletAlso this week, we’ve sent Meera along to the Science of Survival exhibition at the Science Museum.  It’s a hands-on exhibition designed to show families how their futures could be affected by the changing environment.   In particular, some experts predict that our major challenge may not be the availability of fuel, but whether we have enough clean water to drink.  It makes sense to start saving this precious fluid now, so we’ll be hearing some of the top tips for saving water from the independent organisation WaterWise.  Of course, here at the Naked Scientists we save water by not having to wash any clothes…

BedZED - The Beddington Zero Energy DevelopmentBuild me up, Buttercup

Finally, we’re joined on the show by Asif Din, an architect from Bill Dunster Architects.  They're responsible for the BedZED project, the Beddington Zero Energy Development in Surrey.  BedZED will contain 82 homes, clad in special insulating materials that store heat when it’s warm to release when it gets chilly.  Most of the building materials are reclaimed or recycled, and the development will generate much of its power from renewable sources.

Asif will be telling us about the challenges architects face when trying to design eco-friendly homes. Creating a carbon-neutral housing development that ultimately produces more energy than it takes to build sounds like an eco-warrior’s fantasy, but it could become reality in leafy Surrey.

To find out more, tune into the clean, green Naked Scientists team this week.



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