An accessible 3D printer for metals has been the holy grail of amateur printer builders since at least the beginning of the RepRap project, but as tends to be the case with holy grails, it’s proven ...

Practise your 2 times tables with this quiz. The 5 times table Learn all about the 5 times table and find out about multiples of 5. The 10 times table Discover the 10 times tables and try this quiz.

When you divide, you share or group an amount into a number of equal parts. Division is normally represented by the symbol ‘÷’. Division is the opposite of multiplication. Why not see how much you ...