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.
John L. Nelson was born in Louisiana, the son of Carrie (Jenkins) and Clarence Nelson. He traveled to Minneapolis to become a musician in 1948. Playing the piano, he used Prince Rogers as a stage name and started The Prince Rogers Trio with local musicians.John L. Nelson maintained an on-off relationship with Vivian Nelson. With her, he had four children: Sharon L. (born 1942), Lorna L. (1943â2006), Norrine (born 1947), and John R. (born 1948).laying the piano, he used Prince Rogers as a stage name and started The Prince Rogers Trio with local musicians. John L. Nelson maintained an on-off relationship with Vivian Nelson. With her, he had four children: Sharon L. (born 1942), Lorna L. (1943â2006), Norrine (born 1947), and John R. (born 1948).