Answers to Engineering Questions

Engineering, civil engineering, manufacturing, jet engines, materials science and transport...

30 March 2008

I wanted measure how fast my sonic toothbrush actually brushes...

15 February 2008

How a diode works, and how this relates to LEDs and white LEDs

01 October 2006

What are magnets made out of and how are they made?

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...