#direct current

[mdtb]

art drawn by the absolutely incredible @orendein for my prince of arkham bruce fic, the abyss gazes also. credit to a bunch of anons on @frownyalfred’s blog for the original concept

[mtg-cards-hourly]

Direct Current

Artist: Dan Murayama Scott TCG Player Link Scryfall Link EDHREC Link

[drnikolatesla]

"In automobiles practically nothing has been done in this direction, and yet it would seem they offer the greatest opportunities for application of this principle. The question, however, is which motor to employ - the direct-current or my induction motor. The former has certain preferences as regards the starting and regulation, but the commutators and brushes are very objectionable on an automobile. In view of this I would advocate the use of the induction motor as an ideally simple machine which can never get out of order. The conditions are excellent, inasmuch as a very low frequency is practicable and more than three phases can be used. The regulation should offer little difficulty, and once an automobile on this novel plan is produced its advantages will be readily appreciated."

Yours very truly,

N. Tesla.

"Electric Autos." Special Correspondence, Manufacturers' Record. December 29, 1904

[tonyrossmcmahon]

The Electric Chair and Thomas Edison

How the electric chair was used by Thomas Edison in 1890 to discredit a commercial rival while sending a murderer up in smoke

The 1880s saw intense competition between two electricity giants to convince millions of Americans that their version of the electric current was the safest. In what has to be one of the dirtiest tricks in corporate history, the industrial magnate and inventor Thomas Edison made sure his competitor’s current was used to power the new fangled electric chair. A means of execution intended to be…

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[quietimtryingtostudy]

Physics questions series: Current Electricity (part 3)

Anyone solving these questions, you can reblog and add your solutions to these questions, or if you want you can ask/submit questions too.

Q.3) Find the current drawn from the battery:

1.

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2.

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Masterlist

[useleshistory]

Useless Fact #58

Thomas Edison electrocuted a series of animals including Topsy, an elephant, to death because he wanted to discredit the alternate current that posed as direct opposition to his own direct current.

[lindahall]

Mikhail Dolivo-Dobrovolsky

Mikhail Dolivo-Dobrovolsky, Russian electrical engineer and inventor, was born in Gatchina, a town outside of St. Petersburg, on January 2, 1862.

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