Tesla ya zama sananne a matsayin mai kirkiro kuma zai nuna nasarorin da ya samu ga mashahurai da masu arziki a dakin gwaje-gwajensa, kuma an san shi da nunawa a taron jama'a. A cikin shekarun 1890, Tesla ya bi ra'ayoyinsa don hasken wutar lantarki mara waya da rarraba wutar lantarki mara waya a duk duniya a cikin gwaje-gwajensa na ƙarfin lantarki, ƙarfin lantarki a New York da Colorado Springs. A 1893, ya yi sanarwa game da yiwuwar sadarwa ta hanyar na'urorin sadarwa mara waya. Tesla ya yi ƙoƙari ya sanya waɗannan ra'ayoyin a cikin matakan da ba a gama amfani da shi ba a cikin Ward, wani jirgin ruwa mai sarrafawa mara waya, daya daga cikin na farko da aka nuna.
Janairu 1943