This element is a solid. Nickel is classified as a Transition Metal which are located in Groups 3 - 12 of the Periodic Table. Elements classified as Transition Metals are generally described as ductile, malleable, and able to conduct electricity and heat.
The man who invented the first ATM cash machine has died, aged 84, after a short illness. John Shepherd-Barron, cash machine inventor, dies Photo: BOBBY NELSON.
John Mauchly, an American physicist, and J. Presper Eckert, an American engineer, proposed an electronic digital computer, called the Electronic Numerical Integrator And Computer (ENIAC), which was built at the Moore School of Engineering at the University of Pennsylvania in Philadelphia.