Umshini wokuzamazama komhlaba kaNikola Tesla!
U-Nikola Tesla waziwa ngomsebenzi wakhe kugesi namandla. Wakha i-alternating current, eyenza ukudluliswa kwamandla okude kube nokwenzeka futhi yasebenza ekuxhumaneni okungenantambo nokudluliswa kwamandla. Kuyakhanya...