Answers to Technology Questions

Technology, robotics, artificial intelligence, computing, communications, sensors and gadgets...

04 June 2006

I've been following the progress of solar panels and hear that they're only about 16% efficient. What's...

21 May 2006

How long would a flip in the Earth's magnetic field take, and how might it affect technology?

30 April 2006

I'm curious about this digital era we've gone into. If you watch the television on digital signal, the clock...

23 April 2006

How does a lie detector work?

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...

29 January 2006

I was just wondering what grenades are made out of, and why does it take a while to go off after the pin is taken out?

29 January 2006

How dependent are we on satellites? If somebody put a computer bug in them, what would happen?

29 January 2006

Why did we send dogs into space?

18 December 2005

When will there be radar controlled brakes on cars?

13 November 2005

I was fitting a multi-fuel burner in the living room and want to know where to fit the carbon monoxide detector. Should...

06 November 2005

I have recently bought these cool hand warmers that are filled with a gel and a metal disc. When you bend the metal...

06 November 2005

When you snap a glowstick, what makes it glow?

23 October 2005

What's the difference between fuel sold in the winter and in the summer?

02 October 2005

How does a light bulb work?

13 March 2005

I haven't heard anything for about 6 months about drilling into Lake Vostok. I was wondering how people were...

30 January 2005

Could bomb testing make the world fall apart or cause tsunamis?

23 January 2005

Can you still get brain damage even if your mobile phone is switched off?

16 January 2005

What does the word bionic actually mean and how would a bionic object be incorporated into the body?

16 January 2005

I want to say that I'm very much in favour of the work Kevin is doing. I think it's great to look into...

16 January 2005

When do you think it will be possible to experience direct input into the brain and will we be able to have false...

05 December 2004

Can you use spectroscopy to spot whether ID cards are real, or faked on a home printer?

28 November 2004

How does breathable waterproof clothing work?

03 October 2004

why can't you tune into TV programmes on the radio?