QUESTIONS

Q : What is the cylinder or box found on computing or charging cords?

Kristina Howard, Swansea.

Q : Why are car tyres black? It’s not the natural colour of rubber.

Peter Solomon, Tring, Herts.

Q : Is it true that the first witches were actually ale wives at a time when people believed fermentation to be magical?

Patricia Ellings, St Blazey, Cornwall.