Yes, nowadays A.C. has been sensibly chosen as the standard form, but back in the days there was a large and somewhat fiery debate over the matter. Tesla did in fact invent the D.C. motor, which is quite a feat as other motors rely on the constantly changing direction of current. I'm no scientist so I couldn't adequately explain how it works, and would probably bore you in the process anyway.
Apart from that it does not, as you said, have many uses.
Who is your favorite scientist?
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Yes, nowadays A.C. has been sensibly chosen as the standard form, but back in the days there was a large and somewhat fiery debate over the matter. Tesla did in fact invent the D.C. motor, which is quite a feat as other motors rely on the constantly changing direction of current. I'm no scientist so I couldn't adequately explain how it works, and would probably bore you in the process anyway.
Apart from that it does not, as you said, have many uses.