> did he really understand the theory well enough or were most of his "experiments" let's toss this stuff together and see what's happens At least, you can sho

> did he really understand the theory well enough or were most of his "experiments" let's toss this stuff together and see what's happens At least, you can show some respect to him and read a bit to understand his inventions. He developed the alternating-current power system that provides electricity for homes and buildings, so without you may not have typed your comment.