Aluminium is a good electrical conductor and is often used in electrical transmission lines. It is cheaper than copper and weight for weight is almost twice as good a conductor. When evaporated in a vacuum, aluminium forms a highly reflective coating for both light and heat.
Nelson Mandela had a large family and had 13 brothers and sisters.  Of all of his siblings, he had one full brother and one half  brother.
Nelson Mandela Quick Facts. Here is a list of quick facts about Nelson Mandela. 1  Nelson Mandela was born July 18, 1918. 2  He was born in Transkei, Africa. 3  When he was born, his name was Rolihlahla Mandela.4  His birth name means to pull a branch off a tree and troublemaker.. 5  He was given the name Nelson in school when he was seven years old. Nelson Mandela was born July 18, 1918. 2  He was born in Transkei, Africa. 3  When he was born, his name was Rolihlahla Mandela. 4  His birth name means to pull a branch off a tree and troublemaker.. 5  He was given the name Nelson in school when he was seven years old. 6  His father had four wives.