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10th Jun 2007

The Naked Scientists Q&A Show

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News

 

Almost perfect anti-reflection coating

If you are making a camera, telescope, solar cell or microscope, you don't want light being wasted by reflections or even more critically if you are in the military you don't want your position being given away by reflections. So you want to coat your lenses with somthing to stop them reflecting. T...

 

Canny birds in Chernobyl

Birds around Chernobyl seem to be avoiding radioactive nests. Anders Møller from the Marie Curie University in Paris and Tim Mosseau in South Carolina have been studying the birds around chernobyl. The background radiation in the Red Forest, 2-3km away from the Cherobyl reactor, is very variable s...

 

Earth's oldest rainforest discovered in coal mine and why the plucky T. rex is a bit “chicken”

  Earth's oldest rainforest discovered in coal mine and why the plucky T. rex is a bit “chicken”   A 300 million year old fossilized forest has been discovered in a coal mine in Illinois, USA. Covering an area of 10 square kilometres, its the largest fossil rainforest ever discovered and ...


Questions

 

Is it true that a scald from water boiled in a microwave is worse than water boiled in a kettle?


 

Is it true that a scald from water boiled in a microwave is worse than water boiled in a kettle?


 

If female mammals have mammary glands, then why do male mammals also have similar mammary glands? Do all males have them and why bother having them at all if they don’t do anything?



Kitchen Science


 

How to make a forcefield

This week Derek and Dave are venturing bravely into the future to make their very own forcefield. Providing the man power to do it are Matthew and Robbie from Campers Playscheme, which is held at Hunsbury Park Primary School.

 

Mixing two fluids of different densities

Make some pretty patterns by mixing different fluids.

 

Cloud in a bottle

Build your very own weather system in a bottle, and find out how the same principle can make it rain.

 

test


 

Jamming Rice

Find out how to pick up a jar of rice without touching the jar, and what it has to do with holes in the road.

 

Magnetic cereal

Find out one of the things that is in your breakfast cereal using a magnet.

 

Strange Glows from Sugar

How to make strange unearthly glows by torturing sugar cubes...

 

The Science of Energy in the Gym

If you've ever wondered how much energy you are capable of putting using your own body and whether that's enough to power the appliances around you - this kitchen science is for you. This week Derek, Dave and Ali are in a gym trying to investigate how many houses Ali can power using her own and whet...

 

Why Put Salt on the Roads?

If you've ever wondered why we salt the roads in Winter time - this kitchen science is for you. This week Dave is live in the studio, trying to investigate what happens when you add some salt to an icecube!

 

Electric Slime

Make some seemingly normal slime that behaves very strangely with electricity

 

Electric Slime

Make some seemingly normal slime that behaves very strangely with electricity

 

Racing Jam Jars

Race Jam Jars down a slope and find out that all things don't allways fall at the same speed.

 

Waterproof Hankey

Find out how waterproof a hankey can be and how this helps make coats waterproof yet breathable.

 

Cornflour and Gravy

Thickening liquids using the power of cornflour

 

The Chemistry of Coppers

If you've ever wanted your money to have a little extra shine, you can give it a new lease on life using just ordinary stuff you can find in your kitchen! This week Dave is live in the studio, investigating what happens if you put your copper coins into various liquids. Unfortunately, you can't drin...


 

Butter Side Down

Are you the sort of person who finds that whenever you knock some toast off the table it ends up butter side down. Find out if the toast gods are unhappy with you, or if there is something more scientific going on.

 

Remote Interference

You know you can use your remote control to save you the immense effort of getting out of your chair, but did you know you could make strange noises from it and a radio?


 

Flying Tubes

Make an old kitchen roll tube fly and find out what it has to do with Beckham's free kicks.


 

Invisible ink

Make invisible ink from lemon juice, and find out what is going on and whether it is just lemon juice that makes a good invisible ink.

 

PVA + Borax

Make a strange rubbery substance from glue.



Interviews


 

The Wine Diet

What is the truth behind all the stories in the papers about the health benifits of red wine, Roger Corder explains.

 

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a test

 

The Torso in the Thames

Dr Hazel Wilkinson tells Sabina Michnowicz how she used her plant identification skills and a book of spells to help the police with the Torso in the Thames case.

 

Investigating Forensic Science

We spoke to Dr Trevor Emmett, lecturer in Forensic Science at Anglia Ruskin University about what forensics is, an dhow it can be applied.

 

Hair Pollution

Azi Khatiri goes to a lab for a hair cut - to see if vegetarian hair is different to that of a carnivore, or if a rural life leaves a signature in the scalp.




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