The Patents of Nikola Tesla Patent number 334,823 Commutator for Dynamo Electric machines 1-26-1886

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[erez7770]

Musk's start-up, which wants to connect the human brain to the computer, raised $ 27 million
https://steemit.com/tesla/@erez7770/musk-s-start-up-which-wants-to-connect-the-human-brain-to-the-computer-raised-usd-27-million