Answers to Science Questions

26 March 2006

How do 3D glasses work, and if you need these 3D glasses to appreciate the effect at the end, how do they produce them...

26 March 2006

Which way does the Earth travel around the sun and is the sun spinning and moving too?

26 March 2006

What makes the Earth spin and will it ever stop?

26 March 2006

We know that meteorites hit the Earth quite well. The sun is hundreds of thousands times bigger than the Earth, and so...

26 March 2006

Whenever you replace tyres on your car, you notice that the tread has worn away. Where does all the rubber go? You don...

26 March 2006

If you get an ice cube and put it in a glass of water, when it melts it has exactly the same volume. This is the reason...

26 March 2006

As a radio amateur, I know that trying to get a signal very far away is hard unless the conditions are exactly right....

26 March 2006

New Horizons is supposed to be the fastest spacecraft yet. I'm wondering when it will surpass the Voyagers as the...

26 March 2006

I have question about asteroids. If someone was to land on one, would they have to hold on like if they were on the...

26 March 2006

If it takes huge dishes to send signals into space, how do things like Venus or Mars rovers send their signals back...

05 March 2006

Why do eggs make things rise when they're baked, and why does yeast make dough rise?

05 March 2006

How does a chameleon change its skin colour so fast and is there any molecular mechanism that's known to underlie...

05 March 2006

I never know which plastics can be recycled and which can't. Also, how is it all recycled? What's the...

05 March 2006

My local council has told us to stop putting plastic carrier bags in the recycling bin. The reason allegedly is that...

05 March 2006

What happens to syringes and how do they get recycled?

05 March 2006

We reckon that all the polar ice caps are melting. Assuming that they've all melted and the water levels have all...

05 March 2006

I've heard that there are only two major recycling plants in the UK and the rest is sent abroad in boats. If this...

05 March 2006

We're on an island surrounded by water. How come we've got a water shortage?

05 March 2006

Why are we encouraged to shred all paperwork but we're not allowed to put shredded paper in the recycling bin?

05 March 2006

I have a question about anti-diarrhoea tablets. I've never been in favour of over-the-counter remedies but...

26 February 2006

Down here in Puerto Rico we're supposed to have the largest radio telescope in the world. Is that true, and in...

19 February 2006

What do people do to plants to make them genetically modified?

19 February 2006

How does taking herbal remedies such as St. John's Wort affect giving blood? Should you tell the blood donor...

19 February 2006

You were talking earlier about a drug that keeps people awake. The military have been issuing amphetamines for years to...