The wiring itself isn’t the problem ... and copper without proper connectors. “If you need to connect aluminum and copper wires, never twist them together directly,” he says.

The device sure looks like an electromagnet made with magnet wire and a steel core. But when he shows the ends of the core, you’ll see that the side that attracts aluminum has a copper ring ...

The use of aluminium in wiring is unlikely to bring ... outperforming both copper and aluminium handily on all counts. Connecting these CNT wires could be handled with a carbon solder, which ...